Toolholder Identification System

1. Boring Bar 2. Bar Diameter 3. Tool Length

S Steel Shank

Coolant through A Steel Shank d

C Solid Carbide Shank

E Coolant through Carbide Shank

ToolholderMWLNR
45678
BoringS25SMWLNR
Bar
12345678

I

1 Q = 180 R = 200

A = 32H = 100S = 250
B = 40J = 110T = 300
C = 50K = 125U = 350
D = 60L = 140V = 400
E = 70M = 150W = 450
F = 80N = 160Y = 500
G = 90P = 170X = Special

I1

6. Approach Angle 7. Insert Clearance Angle

90°

75°45°60°

A B D E N B

90° 75° 91° 93°

FGJK
11º
95°107.5˚

62.5° C P

95° 75°

L N Q R

93° 72.5° Special

45°13º15º
OD

S U V X