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4RBM 4F Replaceable Modular Ball Nose Endmill

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Features
• Carbide to Carbide with the thread can guarantee More Increased Rigidity
and Non-Vibration Machining
• A variety of Modulars can be easily changed on a carbide holder
• For Dry cutting and Wet cutting
• Can use HITACHI'S Carbide holder(ARPF model) and DIJET'S Carbide
holder(MSN model) compatibly

4RBM.jpg

Tolerance

Cutting Dia.

d≤6 : 0/-0.01
d>6 : 0/-0.015

Radius

R≤0.25 : 0/-0.005
R>0.25 : 0/-0.01



Recommended workpiece Material :

◎:First choice   ○:Alternative choice   △:Limited choice

Carbon Steel/Alloy Steel
(up to 350 HB)
Stainless Steel
(up to 240 HB)
Cast lron
(up to 260 HB)
Prehardened Steel
(up to 50 HRc)
Hardened Steel
(45 to 55 HRc)
Super Hardened Steel
(55 to 68 HRc)
Titanium
Alloy
Copper
Alloy
Aluminum
Alloy
Resin &
Plastics
Graphite

(Unit: mm)

EDP No. Cutting Dia X Radius of Ball Nose
d X R
Length of Cut

L1
Length of Modular

l2
Neck Dia

D1
Quantity
4RBM 1600165-M8 16XR816.52915
4RBM 2000210-M8 20XR10213719
4RBM 2500250-M8 25XR12.5254324