BEYOND MDUNR/L Steel Boring Bars 20-50 mm – Left & Right Hand, DNMG Insert

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

Brand: BEYOND
Series: MDUNR/L INTERNAL (steel-shank, lever-lock, DNMG inserts)

Key Search Tags

steel shank boring bar, MDUNR boring bar, MDUNL boring bar, DNMG 11 insert, DNMG 15 insert, internal boring tool, 95 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

Why Choose BEYOND MDUNR/L?

• Large-size range: 20 mm – 50 mm shank diameter
• Rigid steel shank (S) for deep-hole and heavy-duty cuts
• 95° approach angle (D) + 0° relief (N) = maximum edge strength
• Lever-lock clamp (U) for quick insert changes
• Left-hand (L) & right-hand (R) versions in stock
• Designed for DNMG 11 & DNMG 15 inserts (also accepts DNMA, DNMP)

Technical Data – All Models

Insert & Spare Parts

• Insert: DNMG 1104 (for 11 models) / DNMG 1506 (for 15 models)
• Clamp lever: standard DN-style lever included
• 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

20 mm steel boring bar, DNMG 11 boring bar, DNMG 15 boring bar, MDUNR right hand boring bar, MDUNL left hand boring bar, 95 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