Carbide Tips and Tools Machinery's Handbook, 31st Edition
850
square tools, 1 ⁄ and for those above 1 1 ⁄
64 inch; for those over 3 ⁄ 4 -inches square, 2 × 1 inch through 1 × 1 1 ⁄
8 -inch square through 1 1 ⁄ 2 inches, the nose radii are 1 ⁄ 1 ⁄ 16 inch. For rectangular-shank tools with shank 4 -inches square, 1 ⁄ 32 inch; 32 inch, and for 1 × 2-
sections of 1 ⁄
and 1 1 ⁄ 16 inch. Single-point Tool Angle Tolerances: The tool angles shown on the diagrams in Table 5 through Table 12 are general recommendations. Tolerances applicable to these angles are ± 1 degree on all angles except end and side clearance angles; for these the tolerance is ± 2 degrees. Table 5. American National Standard Style A Carbide-Tipped Tools ANSI B212.1-2002 (R2007) 2 × 2-inch shanks, the nose radius is 1 ⁄
6° ± 1°
8° ± 1°
7° ± 1°
A
F
W
R
T Overhang
0° ± 1°
L
10° ± 2°
C
Tool Designation and Carbide Grade
0° ± 1°
H
Overhang
B
7° ± 1°
Style: AR Right Hand (shown) Style: AL Left Hand (not shown)
10° ± 2°
Designation
Shank Dimensions
Tip Dimensions
Style AR a
Style AL a
Tip Designation a
Width A
Height B
Length C
Thickness T
Width W
Length L
Square Shank
2
2040 2070 2070 2070 2170 2230 2310
AR 4 AR 5 AR 6 AR 7 AR 8
AL 4 AL 5 AL 6 AL 7 AL 8
1 ⁄ 4
3 ⁄ 16
5 ⁄ 16
1 ⁄ 4
3 ⁄ 32 3 ⁄ 32 3 ⁄ 32 3 ⁄ 32
2 1 ⁄ 4 2 1 ⁄ 2
5 ⁄ 16
1 ⁄ 4 1 ⁄ 4 1 ⁄ 4
1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
5 ⁄ 16
3 ⁄ 8
3 ⁄ 8
3
7 ⁄ 16
7 ⁄ 16
3 1 ⁄ 2
1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
5 ⁄ 16
1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
1 ⁄ 8
AR 10 AR 12 AR 16 AR 20 AR 24 AR 44 AR 54 AR 55 AR 64 AR 66 AR 85 AR 86 AR 88 AR 90
AL 10 AL 12 AL 16 AL 20 AL 24 AL 44 AL 54 AL 55 AL 64 AL 66 AL 85 AL 86 AL 88 AL 90
4
3 ⁄ 8
5 ⁄ 32 3 ⁄ 16
4 1 ⁄ 2
7 ⁄ 16 9 ⁄ 16
13 ⁄ 16
1
1
6 7 8
{ { {
P3390, P4390 P3460, P4460 P3510, P4510
1 1 1
1 ⁄ 4
1 1 ⁄ 4 1 1 ⁄ 2
1 1 ⁄ 4 1 1 ⁄ 2
5 ⁄ 8 5 ⁄ 8
5 ⁄ 16
3 ⁄ 8
Rectangular Shank
1 1
6 6 7 6 8 7 8
P2260
5 ⁄ 16
5 ⁄ 8 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4
1 ⁄ 2 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4
3 ⁄ 16
{ { { { { { { {
P3360, P4360 P3360, P4360 P3380, P4380 P3430, P4430 P3460, P4460 P3510, P4510 P3510, P4510 P3540, P4540
3 ⁄ 8 3 ⁄ 8 1 ⁄ 2
1 ⁄ 4 1 ⁄ 4 1 ⁄ 4
1 1 ⁄ 4
1
1 1 ⁄ 2 1 1 ⁄ 4 1 1 ⁄ 2
7 ⁄ 16
15 ⁄ 16
5 ⁄ 16 5 ⁄ 16
1 1 1
1 1 1
5 ⁄ 8 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4
3 ⁄ 8 3 ⁄ 8 1 ⁄ 2
2 2
10 10
1 1 ⁄ 2 1 1 ⁄ 4 a “A” is straight shank, 0 deg., SCEA (side-cutting-edge angle). “R” is right-cut. “L” is left-cut. Where a pair of tip numbers is shown, the upper number applies to AR tools, the lower to AL tools. All dimensions are in inches.
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