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ANSI High Speed Steel HSS Drill Bits , Long Type Twist Drill Bits For Metal
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ANSI High Speed Steel HSS Drill Bits , Long Type Twist Drill Bits For Metal
Material: High speed steel 4241, 4341, M2, M35,M42
Use: Metal Drilling
Surface treatment: Bright surface is the standard treatment, titanium coating, black oxide, amber finished each is available
Process: rolled,half ground and fully ground all are available
Sizes:
FRACTIONAL SIZES | NUMBER SIZES | LETTER SIZES | |||||||||||
Dia. | Dec. Eq. | L2 | L1 | Dia. | Dec. Eq. | L2 | L1 | Dia. | Dec. Eq. | L2 | L1 | ||
1/64 | 0.0156 | 5/16 | 1-1/2 | 1 | 0.2280 | 3-3/4 | 6-1/8 | A | 0.2340 | 3-3/4 | 6-1/8 | ||
1/32 | 0.0312 | 3/4 | 2 | 2 | 0.2210 | 3-3/4 | 6-1/8 | B | 0.2380 | 3-3/4 | 6-1/8 | ||
3/64 | 0.0469 | 1-1/8 | 2-1/4 | 3 | 0.2130 | 3-5/8 | 6 | C | 0.2420 | 3-3/4 | 6-1/8 | ||
1/16 | 0.0625 | 1-3/4 | 3 | 4 | 0.2090 | 3-5/8 | 6 | D | 0.2460 | 3-3/4 | 6-1/8 | ||
5/64 | 0.0781 | 2 | 3-3/4 | 5 | 0.2055 | 3-5/8 | 6 | E | 0.2500 | 3-3/4 | 6-1/8 | ||
3/32 | 0.0938 | 2-1/4 | 4-1/4 | 6 | 0.2040 | 3-5/8 | 6 | F | 0.2570 | 3-7/8 | 6-1/4 | ||
7/64 | 0.1094 | 2-1/2 | 4-5/8 | 7 | 0.2010 | 3-5/8 | 6 | G | 0.2610 | 3-7/8 | 6-1/4 | ||
1/8 | 0.1250 | 2-3/4 | 5-1/8 | 8 | 0.1990 | 3-5/8 | 6 | H | 0.2660 | 3-7/8 | 6-1/4 | ||
9/64 | 0.1406 | 3 | 5-3/8 | 9 | 0.1960 | 3-5/8 | 6 | I | 0.2720 | 3-7/8 | 6-1/4 | ||
5/32 | 0.1562 | 3 | 5-3/8 | 10 | 0.1935 | 3-5/8 | 6 | J | 0.2770 | 3-7/8 | 6-1/4 | ||
11/64 | 0.1719 | 3-3/8 | 5-3/4 | 11 | 0.1910 | 3-5/8 | 6 | K | 0.2810 | 3-7/8 | 6-1/4 | ||
3/16 | 0.1875 | 3-3/8 | 5-3/4 | 12 | 0.1890 | 3-5/8 | 6 | L | 0.2900 | 4 | 6-3/8 | ||
13/64 | 0.2031 | 3-5/8 | 6 | 13 | 0.1850 | 3-3/8 | 5-3/4 | M | 0.2950 | 4 | 6-3/8 | ||
7/32 | 0.2188 | 3-5/8 | 6 | 14 | 0.1820 | 3-3/8 | 5-3/4 | N | 0.3020 | 4 | 6-3/8 | ||
15/64 | 0.2344 | 3-3/4 | 6-1/8 | 15 | 0.1800 | 3-3/8 | 5-3/4 | O | 0.3160 | 4-1/8 | 6-1/2 | ||
1/4 | 0.2500 | 3-3/4 | 6-1/8 | 16 | 0.1770 | 3-3/8 | 5-3/4 | P | 0.3230 | 4-1/8 | 6-1/2 | ||
17/64 | 0.2656 | 3-7/8 | 6-1/4 | 17 | 0.1730 | 3-3/8 | 5-3/4 | Q | 0.3320 | 4-1/8 | 6-1/2 | ||
9/32 | 0.2812 | 3-7/8 | 6-1/4 | 18 | 0.1695 | 3-3/8 | 5-3/4 | R | 0.3390 | 4-1/8 | 6-1/2 | ||
19/64 | 0.2969 | 4 | 6-3/8 | 19 | 0.1660 | 3-3/8 | 5-3/4 | S | 0.3480 | 4-1/4 | 6-3/4 | ||
5/16 | 0.3125 | 4 | 6-3/8 | 20 | 0.1610 | 3-3/8 | 5-3/4 | T | 0.3580 | 4-1/4 | 6-3/4 | ||
21/64 | 0.3281 | 4-1/8 | 6-1/2 | 21 | 0.1590 | 3-3/8 | 5-3/4 | U | 0.3680 | 4-1/4 | 6-3/4 | ||
11/32 | 0.3438 | 4-1/8 | 6-1/2 | 22 | 0.1570 | 3-3/8 | 5-3/4 | V | 0.3770 | 4-3/8 | 7 | ||
23/64 | 0.3594 | 4-1/4 | 6-3/4 | 23 | 0.1540 | 3 | 5-3/8 | W | 0.3860 | 4-3/8 | 7 | ||
3/8 | 0.3750 | 4-1/4 | 6-3/4 | 24 | 0.1520 | 3 | 5-3/8 | X | 0.3970 | 4-3/8 | 7 | ||
25/64 | 0.3906 | 4-3/8 | 7 | 25 | 0.1495 | 3 | 5-3/8 | Y | 0.4040 | 4-3/8 | 7 | ||
13/32 | 0.4062 | 4-3/8 | 7 | 26 | 0.1470 | 3 | 5-3/8 | Z | 0.4130 | 4-5/8 | 7-1/4 | ||
27/64 | 0.4219 | 4-5/8 | 7-1/4 | 27 | 0.1440 | 3 | 5-3/8 | ||||||
7/16 | 0.4375 | 4-5/8 | 7-1/4 | 28 | 0.1405 | 3 | 5-3/8 | ||||||
29/64 | 0.4531 | 4-3/4 | 7-1/2 | 29 | 0.1360 | 3 | 5-3/8 | ||||||
15/32 | 0.4688 | 4-3/4 | 7-1/2 | 30 | 0.1285 | 3 | 5-3/8 | ||||||
31/64 | 0.4844 | 4-3/4 | 7-3/4 | 31 | 0.1200 | 2-3/4 | 5-1/8 | ||||||
1/2 | 0.5000 | 4-3/4 | 7-3/4 | 32 | 0.1160 | 2-3/4 | 5-1/8 | ||||||
33 | 0.1130 | 2-3/4 | 5-1/8 | ||||||||||
34 | 0.1110 | 2-3/4 | 5-1/8 | ||||||||||
35 | 0.1100 | 2-3/4 | 5-1/8 | ||||||||||
36 | 0.1065 | 2-1/2 | 4-5/8 | ||||||||||
37 | 0.1040 | 2-1/2 | 4-5/8 | ||||||||||
38 | 0.1015 | 2-1/2 | 4-5/8 | ||||||||||
39 | 0.0995 | 2-1/2 | 4-5/8 | ||||||||||
40 | 0.0980 | 2-1/2 | 4-5/8 | ||||||||||
41 | 0.0960 | 2-1/2 | 4-5/8 | ||||||||||
42 | 0.0935 | 2-1/4 | 4-1/4 | ||||||||||
43 | 0.0890 | 2-1/4 | 4-1/4 | ||||||||||
44 | 0.0860 | 2-1/4 | 4-1/4 | ||||||||||
45 | 0.0820 | 2-1/4 | 4-1/4 | ||||||||||
46 | 0.0810 | 2-1/4 | 4-1/4 | ||||||||||
47 | 0.0785 | 2-1/4 | 4-1/4 | ||||||||||
48 | 0.0760 | 2 | 3-3/4 | ||||||||||
49 | 0.0730 | 2 | 3-3/4 | ||||||||||
50 | 0.0700 | 2 | 3-3/4 | ||||||||||
51 | 0.0670 | 2 | 3-3/4 | ||||||||||
52 | 0.0635 | 2 | 3-3/4 | ||||||||||
53 | 0.0595 | 1-3/4 | 3 | ||||||||||
54 | 0.0550 | 1-3/4 | 3 | ||||||||||
55 | 0.0520 | 1-3/4 | 3 | ||||||||||
56 | 0.0465 | 1-1/8 | 2-1/4 | ||||||||||
57 | 0.0430 | 1-1/8 | 2-1/4 | ||||||||||
58 | 0.0420 | 1-1/8 | 2-1/4 | ||||||||||
59 | 0.0410 | 1-1/8 | 2-1/4 | ||||||||||
60 | 0.0400 | 1-1/8 | 2-1/4 | ||||||||||
61 | 0.0390 | 1-1/8 | 2-1/4 | ||||||||||
62 | 0.0380 | 3/4 | 2 | ||||||||||
63 | 0.0370 | 3/4 | 2 | ||||||||||
64 | 0.0360 | 3/4 | 2 | ||||||||||
65 | 0.0350 | 3/4 | 2 | ||||||||||
66 | 0.0330 | 3/4 | 2 | ||||||||||
67 | 0.0320 | 3/4 | 2 | ||||||||||
68 | 0.0310 | 3/4 | 2 | ||||||||||
69 | 0.0292 | 3/4 | 2 | ||||||||||
70 | 0.0280 | 3/4 | 2 | ||||||||||
71 | 0.0260 | 3/4 | 2 | ||||||||||
72 | 0.0250 | 5/16 | 1-1/2 | ||||||||||
73 | 0.0240 | 5/16 | 1-1/2 | ||||||||||
74 | 0.0225 | 5/16 | 1-1/2 | ||||||||||
75 | 0.0210 | 5/16 | 1-1/2 | ||||||||||
76 | 0.0200 | 5/16 | 1-1/2 | ||||||||||
77 | 0.0180 | 5/16 | 1-1/2 | ||||||||||
78 | 0.0160 | 5/16 | 1-1/2 | ||||||||||
79 | 0.0145 | 5/16 | 1-1/2 | ||||||||||
80 | 0.0135 | 5/16 | 1-1/2 |