BEYOND MTJNR/L Steel Boring Bars 16-50 mm – 93° Lead, Left & Right Hand

BEYOND MTJNR/L Internal Boring Bar Series – Complete Specification List

Brand: BEYOND
Series: MTJNR/L INTERNAL – Multi-Lock lever-clamp, TNMG inserts, 93° lead angle [^103^][^92^]

Key Search Tags

steel shank boring bar, MTJNR boring bar, MTJNL boring bar, TNMG 16 insert, internal boring tool, 93 degree approach angle, 0 degree relief angle, left hand boring bar, right hand boring bar, CNC lathe boring, heavy-duty boring bar, large diameter boring bar, BEYOND boring tools, multi-lock clamp

Why Choose BEYOND MTJNR/L?

• Full-size range: 16 mm – 50 mm shank diameter
• Rigid steel shank (S) for deep-hole and heavy-duty cuts
• 93° approach angle (J) + 0° relief (N) = maximum edge strength [^92^]
• Multi-Lock lever clamp (M) for quick insert changes [^103^]
• Left-hand (L) & right-hand (R) versions in stock
• Designed for TNMG 16 inserts (also accepts TNMA, TNMP)

Technical Data – All Models

Insert & Spare Parts

• Insert: TNMG 1604 (0° relief, 60° triangle)
• Multi-Lock lever included – no extra hardware needed
• Wrench: T15 Torx key supplied free with every bar

Application Ideas

• Heavy-duty boring of forged steel flanges
• Deep bores in wind-tower hubs
• Large gearbox housings – cast iron & steel
• Oil-field connector bores – 4140, 4340, F22

Shipping & Stock

Ships from California, USA & Dortmund, Germany. 98 % of models in stock – order before 3 pm local time for same-day dispatch.

Long-Tail Keywords

16 mm steel boring bar, TNMG 16 boring bar, MTJNR right hand boring bar, MTJNL left hand boring bar, 93 degree approach angle, 0 degree relief angle, heavy duty internal boring tool, large diameter boring bar, CNC lathe deep boring, BEYOND precision boring tools, steel shank boring bar supplier, multi-lock clamp boring bar