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Warranty Period: 3 Years
Support Customization: Oem, Odm
Species: Twist Drill Bit
Application: Metal Drilling
Surface Treatment: Other
Productivity: 50 Thousand
Transportation: Ocean,Land,Air,Express
Supply Ability: 50 Thousand
Payment Type: L/C
Remark: Other sizes are also avaliable for production Process: edge ground, milled
Point angle: 118 degree or 135 degree with split point
Material: HSS4241, HSS4341, HSS6542(M2), HSS M35(5% Co), HSS M42 (8% Co)
Surface: Black finish, black and white, black and amber and amber finish etc
Packing: Plastic tube, shrink card, double bliser card, wooden case and aluminum case etc.
Application: For a wide range of drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness alloyed materials and stainless steel etc.
HSS 1/2" Reduced Shank Drill Bit
Model NO. GMA21000
Material | Component (%) |
HSS 4241 | C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0) |
HSS 4341 | C (0.83~0.93); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(2.5~3.5); W(3.5~4.5); V (1.2~1.8); Co(0) |
HSS 6542 (M2) | C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(0) |
HSS 9341 | C (0.77~0.87); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(2.7~3.3); W(8.5~9.5); V(1.3~1.7); Co(0) |
HSS M35 (Co5%) | C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9);V(1.8~2.0); Co(4.6~4.9) |
D | L1 | L2 | d | D | L1 | L2 | d | |
10.00 | 152 | 76 | 9.5 | 13.00 | 152 | 76 | 12.7 | |
10.50 | 152 | 76 | 9.5 | 13.50 | 152 | 76 | 12.7 | |
11.00 | 152 | 76 | 9.5 | 14.00 | 152 | 76 | 12.7 | |
11.50 | 152 | 76 | 9.5 | 14.50 | 152 | 76 | 12.7 | |
12.00 | 152 | 76 | 9.5 | 15.00 | 152 | 76 | 12.7 | |
12.50 | 152 | 76 | 9.5 | 15.50 | 152 | 76 | 12.7 | |
13.00 | 152 | 76 | 9.5 | 16.00 | 152 | 76 | 12.7 | |
13.50 | 152 | 76 | 9.5 | 16.50 | 152 | 76 | 12.7 | |
14.00 | 152 | 76 | 9.5 | 17.00 | 152 | 76 | 12.7 | |
14.50 | 152 | 76 | 9.5 | 17.50 | 152 | 76 | 12.7 | |
15.00 | 152 | 76 | 9.5 | 18.00 | 152 | 76 | 12.7 | |
15.50 | 152 | 76 | 9.5 | 18.50 | 152 | 76 | 12.7 | |
16.00 | 152 | 76 | 9.5 | 19.00 | 152 | 76 | 12.7 | |
16.50 | 152 | 76 | 9.5 | 19.50 | 152 | 76 | 12.7 | |
17.00 | 152 | 76 | 9.5 | 20.00 | 152 | 76 | 12.7 | |
17.50 | 152 | 76 | 9.5 | 20.50 | 152 | 76 | 12.7 | |
18.00 | 152 | 76 | 9.5 | 21.00 | 152 | 76 | 12.7 | |
18.50 | 152 | 76 | 9.5 | 21.50 | 152 | 76 | 12.7 | |
19.00 | 152 | 76 | 9.5 | 22.00 | 152 | 76 | 12.7 | |
19.50 | 152 | 76 | 9.5 | 22.50 | 152 | 76 | 12.7 | |
20.00 | 152 | 76 | 9.5 | 23.00 | 152 | 76 | 12.7 | |
20.50 | 152 | 76 | 9.5 | 23.50 | 152 | 76 | 12.7 | |
21.00 | 152 | 76 | 9.5 | 24.00 | 152 | 76 | 12.7 | |
21.50 | 152 | 76 | 9.5 | 24.50 | 152 | 76 | 12.7 | |
22.00 | 152 | 76 | 9.5 | 25.00 | 152 | 76 | 12.7 | |
22.50 | 152 | 76 | 9.5 | 25.50 | 152 | 76 | 12.7 | |
23.00 | 152 | 76 | 9.5 | 26.00 | 152 | 76 | 12.7 | |
23.50 | 152 | 76 | 9.5 | 26.50 | 152 | 76 | 12.7 | |
24.00 | 152 | 76 | 9.5 | 27.00 | 152 | 76 | 12.7 | |
24.50 | 152 | 76 | 9.5 | 27.50 | 152 | 76 | 12.7 | |
25.00 | 152 | 76 | 9.5 | 28.00 | 152 | 76 | 12.7 | |
28.50 | 152 | 76 | 12.7 | |||||
29.00 | 152 | 76 | 12.7 | |||||
29.50 | 152 | 76 | 12.7 | |||||
30.00 | 152 | 76 | 12.7 | |||||
D | L1 | L2 | d | D | L1 | L2 | d | |
33/64" | 6" | 3" | 1/2" | 1-1/64" | 6" | 3" | 1/2" | |
17/32" | 6" | 3" | 1/2" | 1-1/32" | 6" | 3" | 1/2" | |
35/64" | 6" | 3" | 1/2" | 1-3/64" | 6" | 3" | 1/2" | |
9/16" | 6" | 3" | 1/2" | 1-1/16" | 6" | 3" | 1/2" | |
37/64" | 6" | 3" | 1/2" | 1-5/64" | 6" | 3" | 1/2" | |
19/32" | 6" | 3" | 1/2" | 1-3/32" | 6" | 3" | 1/2" | |
39/64" | 6" | 3" | 1/2" | 1-7/64" | 6" | 3" | 1/2" | |
5/8" | 6" | 3" | 1/2" | 1-1/8" | 6" | 3" | 1/2" | |
41/64" | 6" | 3" | 1/2" | 1-9/64" | 6" | 3" | 1/2" | |
21/32" | 6" | 3" | 1/2" | 1-5/32" | 6" | 3" | 1/2" | |
43/64" | 6" | 3" | 1/2" | 1-11/64" | 6" | 3" | 1/2" | |
11/16" | 6" | 3" | 1/2" | 1-3/16" | 6" | 3" | 1/2" | |
45/64" | 6" | 3" | 1/2" | 1-13/64" | 6" | 3" | 1/2" | |
23/32" | 6" | 3" | 1/2" | 1-7/32" | 6" | 3" | 1/2" | |
47/64" | 6" | 3" | 1/2" | 1-15/64" | 6" | 3" | 1/2" | |
3/4" | 6" | 3" | 1/2" | 1-1/4" | 6" | 3" | 1/2" | |
49/64" | 6" | 3" | 1/2" | 1-17/64" | 6" | 3" | 1/2" | |
25/32" | 6" | 3" | 1/2" | 1-9/32" | 6" | 3" | 1/2" | |
51/64" | 6" | 3" | 1/2" | 1-19/64" | 6" | 3" | 1/2" | |
13/16" | 6" | 3" | 1/2" | 1-5/16" | 6" | 3" | 1/2" | |
53/64" | 6" | 3" | 1/2" | 1-21/64" | 6" | 3" | 1/2" | |
27/32" | 6" | 3" | 1/2" | 1-11/32" | 6" | 3" | 1/2" | |
55/64" | 6" | 3" | 1/2" | 1-23/64" | 6" | 3" | 1/2" | |
7/8" | 6" | 3" | 1/2" | 1-3/8" | 6" | 3" | 1/2" | |
57/64" | 6" | 3" | 1/2" | 1-25/64" | 6" | 3" | 1/2" | |
29/32" | 6" | 3" | 1/2" | 1-13/32" | 6" | 3" | 1/2" | |
59/64" | 6" | 3" | 1/2" | 1-27/64" | 6" | 3" | 1/2" | |
15/16" | 6" | 3" | 1/2" | 1-7/16" | 6" | 3" | 1/2" | |
61/64" | 6" | 3" | 1/2" | 1-29/64" | 6" | 3" | 1/2" | |
31/32" | 6" | 3" | 1/2" | 1-15/32" | 6" | 3" | 1/2" | |
63/64" | 6" | 3" | 1/2" | 1-31/64" | 6" | 3" | 1/2" | |
1" | 6" | 3" | 1/2" | 1-1/2" | 6" | 3" | 1/2" | |
D | L1 | L2 | d | D | L1 | L2 | d | |
25/64" | 6" | 3" | 3/8" | 1" | 6" | 3" | 3/4" | |
13/32" | 6" | 3" | 3/8" | 1-1/32" | 6" | 3" | 3/4" | |
27/64" | 6" | 3" | 3/8" | 1-1/16" | 6" | 3" | 3/4" | |
7/16" | 6" | 3" | 3/8" | 1-3/32" | 6" | 3" | 3/4" | |
29/64" | 6" | 3" | 3/8" | 1-1/8" | 6" | 3" | 3/4" | |
15/32" | 6" | 3" | 3/8" | 1-5/32" | 6" | 3" | 3/4" | |
31/64" | 6" | 3" | 3/8" | 1-3/16" | 6" | 3" | 3/4" | |
1/2" | 6" | 3" | 3/8" | 1-7/32" | 6" | 3" | 3/4" | |
33/64" | 6" | 3" | 3/8" | 1-1/4" | 6" | 3" | 3/4" | |
17/32" | 6" | 3" | 3/8" | 1-9/32" | 6" | 3" | 3/4" | |
35/64" | 6" | 3" | 3/8" | 1-5/16" | 6" | 3" | 3/4" | |
9/16" | 6" | 3" | 3/8" | 1-11/32" | 6" | 3" | 3/4" | |
37/64" | 6" | 3" | 3/8" | 1-3/8" | 6" | 3" | 3/4" | |
19/32" | 6" | 3" | 3/8" | 1-13/32" | 6" | 3" | 3/4" | |
39/64" | 6" | 3" | 3/8" | 1-7/16" | 6" | 3" | 3/4" | |
5/8" | 6" | 3" | 3/8" | 1-15/32" | 6" | 3" | 3/4" | |
41/64" | 6" | 3" | 3/8" | 1-1/2" | 6" | 3" | 3/4" | |
21/32" | 6" | 3" | 3/8" | 1-17/32" | 6" | 3" | 3/4" | |
43/64" | 6" | 3" | 3/8" | 1-9/16" | 6" | 3" | 3/4" | |
11/16" | 6" | 3" | 3/8" | 1-19/32" | 6" | 3" | 3/4" | |
45/64" | 6" | 3" | 3/8" | 1-5/8" | 6" | 3" | 3/4" | |
23/32" | 6" | 3" | 3/8" | 1-21/32" | 6" | 3" | 3/4" | |
47/64" | 6" | 3" | 3/8" | 1-11/16" | 6" | 3" | 3/4" | |
3/4" | 6" | 3" | 3/8" | 1-23/32" | 6" | 3" | 3/4" | |
1-3/4" | 6" | 3" | 3/4" | |||||
1-25/32" | 6" | 3" | 3/4" | |||||
1-13/16" | 6" | 3" | 3/4" | |||||
1-27/32" | 6" | 3" | 3/4" | |||||
1-7/8" | 6" | 3" | 3/4" | |||||
1-29/32" | 6" | 3" | 3/4" | |||||
1-15/16" | 6" | 3" | 3/4" | |||||
1-31/32" | 6" | 3" | 3/4" | |||||
2" | 6" | 3" | 3/4" |
Remark: Other sizes are also avaliable for production
Product Categories : Drill Bit > Taper Shank Drill Bit
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.