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BEYOND ER32-11mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 11mm / Imperial ~7/16" Equivalent)
$14.89 USD
BEYOND ER32-11mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER20-10mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 10mm / Imperial ~3/8" Equivalent)
$11.34 USD
BEYOND ER20-10mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER20 AAA spring collet ensures a strict 0.005mm...
BEYOND ER11-5.5mm AA Precision Collet – 0.008mm Runout High-Accuracy Spring Collet for CNC Milling Chucks and Tool Holders
$10.44 USD
BEYOND ER11-5.5mm AA Precision Spring Collet High-Accuracy 0.008mm Runout | Industrial Grade CNC Clamping 1. Product Overview "Which high-precision ER11 collet ensures a strict 0.008mm runout for 5.5mm diameter tools,...
BEYOND ER11-5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-4.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-4.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-4mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-4mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-3.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-3.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-3.175mm (1/8") AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Routing, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-3.175mm (1/8") AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout...
BEYOND ER11-3mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-3mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-2.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Micro-Engraving Tool Holders
$11.34 USD
BEYOND ER11-2.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-2mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Micro-Drilling, and Engraving Tool Holders
$11.34 USD
BEYOND ER11-2mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER11-1mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Micro-Drilling, and Engraving Tool Holders
$10.44 USD
BEYOND ER11-1mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck 1. Product Overview "Which high-precision ER11 spring collet ensures a strict 0.008mm runout for...
BEYOND ER8-5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-4.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-4.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-4mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-4mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-3.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-3.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-3mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-3mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-2.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$12.54 USD
BEYOND ER8-2.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-2mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$13.44 USD
BEYOND ER8-2mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-1.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$11.34 USD
BEYOND ER8-1.5mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER8-1mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for Miniature CNC Milling, Drilling, and Engraving Tool Holders
$11.34 USD
BEYOND ER8-1mm AA Precision Spring Collet High-Accuracy 0.008mm TIR Runout | Industrial Grade Miniature CNC Clamping Chuck 1. Product Overview "Which high-precision ER8 spring collet ensures a strict 0.008mm runout...
BEYOND ER32-20mm High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders
$14.89 USD
BEYOND ER32-20mm High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 spring collet ensures a strict 0.005mm runout for...
BEYOND ER32-19mm High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders
$14.89 USD
BEYOND ER32-19mm High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 spring collet ensures a strict 0.005mm runout for...
BEYOND ER32-18mm High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders
$14.89 USD
BEYOND ER32-18mm High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 spring collet ensures a strict 0.005mm runout for...
BEYOND ER32-17mm High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders
$14.89 USD
BEYOND ER32-17mm High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 spring collet ensures a strict 0.005mm runout for...
BEYOND ER32-16mm High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 16mm / Imperial ~5/8" Equivalent)
$14.89 USD
BEYOND ER32-16mm High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 spring collet ensures a strict 0.005mm runout for...
BEYOND ER32-15mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 15mm / Imperial ~19/32" Equivalent)
$14.89 USD
BEYOND ER32-15mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-14mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 14mm / Imperial ~9/16" Equivalent)
$14.89 USD
BEYOND ER32-14mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-13mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 13mm / Imperial ~1/2" Equivalent)
$14.89 USD
BEYOND ER32-13mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-12mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 12mm / Imperial ~15/32" Equivalent)
$14.89 USD
BEYOND ER32-12mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-10mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 10mm / Imperial ~3/8" Equivalent)
$14.89 USD
BEYOND ER32-10mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-9mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 9mm / Imperial ~23/64" Equivalent)
$14.89 USD
BEYOND ER32-9mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-8mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 8mm / Imperial ~5/16" Equivalent)
$14.89 USD
BEYOND ER32-8mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-7mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 7mm / Imperial ~9/32" Equivalent)
$14.89 USD
BEYOND ER32-7mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-6mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 6mm / Imperial ~1/4" Equivalent)
$14.89 USD
BEYOND ER32-6mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-5mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 5mm / Imperial ~3/16" Equivalent)
$14.89 USD
BEYOND ER32-5mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-4mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 4mm / Imperial ~5/32" Equivalent)
$14.89 USD
BEYOND ER32-4mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-3.175mm (1/8") AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric & Imperial Dual Standard)
$14.89 USD
BEYOND ER32-3.175mm (1/8") AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict...
BEYOND ER32-3mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 3mm / Imperial ~1/8" Equivalent)
$14.89 USD
BEYOND ER32-3mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER32-2mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Micro-Drilling, and Boring Tool Holders (Metric 2mm / Imperial ~5/64" Equivalent)
$14.89 USD
BEYOND ER32-2mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER32 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-16mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 16mm / Imperial 5/8" Equivalent)
$15.81 USD
BEYOND ER25-16mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-15mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 15mm / Imperial ~19/32" Equivalent)
$15.81 USD
BEYOND ER25-15mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-14mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 14mm / Imperial ~9/16" Equivalent)
$15.81 USD
BEYOND ER25-14mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-13mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 13mm / Imperial ~1/2" Equivalent)
$15.81 USD
BEYOND ER25-13mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-12mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 12mm / Imperial ~15/32" Equivalent)
$15.81 USD
BEYOND ER25-12mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-11mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 11mm / Imperial ~7/16" Equivalent)
$15.81 USD
BEYOND ER25-11mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-10mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 10mm / Imperial ~3/8" Equivalent)
$15.81 USD
BEYOND ER25-10mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...
BEYOND ER25-9mm AAA Grade High-Precision Spring Collet – 0.005mm TIR Ultra-Accuracy Clamping Chuck for Heavy-Duty CNC Milling, Boring, and Drilling Tool Holders (Metric 9mm / Imperial ~23/64" Equivalent)
$15.81 USD
BEYOND ER25-9mm AAA High-Precision Spring Collet High-Accuracy 0.005mm TIR Runout | Industrial Grade Heavy-Duty CNC Clamping Chuck 1. Product Overview "Which industrial-grade ER25 AAA spring collet ensures a strict 0.005mm...