Drill Bits

Taper Shank Drill But / Twist Drill Bit / Cobalt Drill Bit

DIN345 TAPER SHANK DRILL BIT
Manufacturing process: rolled, milled
Point angle: 118 degrees
Flute Type: N
Material: HSS or HSS-Co
Finish: bright, bright and black, bright and grey, black oxide or TiN
Diameter: 5-100mm

DIN341 TAPER SHANK DRILL BIT
Manufacturing process: rolled, milled
Point angle: 118
Flute Type: N
Material: HSS or HSS-Co
Finish: bright, black oxide or TiN
Diameter: 6-50mm

Twist Drill Bit, Full Ground with Tin Coating
Material: HSS4241, HSS4341, HSS6542 (M2), HSS COBALT (M35 Co5%), HSS COBALT (M42 Co8%).
1. The drill bit is made of high speed steel for the best combination of strength, heat resistance and wear resistance.
2. Application: For drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness alloy materials and stainless steel
3. For general use in wood, metal, and plastic
4. Manufacturing Process: Ground, Milled, Rolled, Edge Ground.
5. 135 degree split point ensures a true start and eliminates bit walking
6. Finish: black, white, black & white, tin-coated, amber/coffee, rainbow, anodizing, conversion coating, nickel plating, zinc plating, chemical polishing, electric polishing, mechanical polishing, powder coating, painting, glass bead blast, sand blast, passivation, chemical cleaning and heat treatment
7. The titanium coating resists corrosion, and offers a long service long life.
8. Packing: PVC Pouch, Paper Box, Plastic tube, Metal Box or as percustumer's requirement
9. Size: 0.15mm-25.0mm
10. Hardness: 61-68 HRC
11. Point Angle: 118° Or 135° (split points are available from 3.0mm)

HSS Cobalt Drill Bit
DIN338 twist drill bit, cobalt 5%, amber finish
Size: 1.0mm to 100.0mm
Material: M35 (cobalt 5%)
Manufacturing process: fully ground
Point: 118°, 135°, split point
Packing: PVC bags, plastic tubes, paper bags or according to customer requirements

DIN338 Twist Drill Bit
Size: 1.0mm to 50.0mm
Material: HSS4241, HSS4341, HSS9341, M2, M35
Manufacturing process: rolled, rolled and polished, fully ground
Point: 118°, 135° split point
Packing: PVC bags, plastic tubes, paper bags or according to customer's requirement

Double End Drill Bit
1. HSS Twist Drill Bits, Double Ended
2. Fully Ground
3. 4341, 9341, M2, M35
4. 3.0mm-6.5mm
5. White, TIN Coated, black finish
6. 118°or 135° split point

1/2 Reduced Drill Bit
HSS twist drill bits are used most often to bore holes.
Ours are primarily divided into the following types according to application:
1. Metal, PVC, plastic, aluminum hole drilling
2. HSS Twist drill bits (made from high speed steel), we also supply carbide drill bit s
3. Standards: DIN338, DIN1897, DIN340, DIN1869, DIN345, DIN333
4. Process: roll forged, rolled polished (half fully ground), fully ground, milled
Black finished
Edge ground
Edge ground tin coated
Fully ground bright
Fully ground black finished
Fully ground tin coated

Technical Parameters of Drill bits
Size (L1) Over length(L)
1 12 34
1.05 12 34
1.1 14 36
1 .15 14 36
1.2 16 38
1.25 16 38
1.3 16 38
1.35 18 40
1.4 18 40
1.45 18 40
1.5 18 40
1.55 20 43
1.6 20 43
1.65 20 43
1.7 20 43
1.75 22 46
1.8 22 46
1.85 22 46
1.9 22 46
1.95 24 46
2 24 49
2.05 24 49
2.1 24 49
2.15 27 53
2.2 27 53
2.25 27 53
2.3 27 53
2.35 27 53
2.4 30 57
2.45 30 57
2.5 30 57
2.55 30 57
2.6 30 57
2.65 30 57
2.7 33 61
2.75 33 61
2.8 33 61
2.85 33 61
2.9 33 61
2.95 33 61
3 33 61
3.1 36 65
3.2 36 65
3.3 36 65
3.4 39 70
3.5 39 70
3.6 39 70
3.7 39 70
3.8 43 75
3.9 43 75
4 43 75
4.1 43 75
4.2 43 75
4.3 47 80
4.4 47 80
4.5 47 80
4.6 47 80
4.7 47 80
4.8 52 86
4.9 52 86
5 52 86
5.1 52 86
5.2 52 86
5.3 52 86
5.4 57 93
5.5 57 93
5.6 57 93
5.7 57 93
5.8 57 93
5.9 57 93
6 57 93
6.1 63 101
6.2 63 101
6.3 63 101
6.4 63 101
6.5 63 101
6.6 63 101
6.7 63 101
6.8 69 109
6.9 69 109
7 69 109
7.1 69 109
7.2 69 109
7.3 69 109
7.4 69 109
7.5 69 109
7.6 75 117
7.7 75 117
7.8 75 117
7.9 75 117
8 75 117
8.1 75 117
8.2 75 117
8.3 75 117
8.4 75 117
8.5 75 117
8.6 81 125
7.7 81 125
8.8 80 125
8.9 81 125
9 81 125
9.1 81 125
9.2 81 125
9.3 81 125
9.4 81 125
9.5 81 125
9.6 81 125
9.7 87 133
9.8 87 133
9.9 87 133
10 87 133
10.1 87 133
10.2 87 133
10.3 87 133
10.4 87 133
10.5 87 133
10.6 87 133
10.7 94 142
10.8 94 142
10.9 94 142
11. 94 142
11.1 94 142
11.2 94 142
11.3 94 142
11.4 94 142
11.5 94 142
11.6 94 142
11.7 94 142
11.8 94 142
11.9 101 151
12 101 151
12.1 101 151
12.2 101 151
12.3 101 151
12.4 101 151
12.5 101 151
12.6 101 151
12.7 101 151
12.8 101 151
12.9 101 151
13 101 151
13.1 101 151
13.2 101 151
13.3 108 160
13.4 108 160
13.5 108 160
13.6 108 160
13.7 108 160
13.8 108 160
13.9 108 160
14 108 160
14.25 114 169
14.5 114 169
14.75 114 169
15 114 169
15.25 120 169
15.5 120 178
15.75 120 178
16 120 178
16.25 125 184
16.5 125 184
16.75 125 184
17 125 184
17.25 130 191
17.5 130 191
17.75 130 191
18 130 191
18.25 135 198
18.5 135 198
18.75 135 198
19 135 198
19.25 140 205
19.5 140 205
19.75 140 205
20 140 205

1mm-100mm all can be produced upon request. Simply contact us to learn more.

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Jiangsu Hoston Machine Tools Co., Ltd.

Tel.: +86-523-84506989
Fax: +86-523-84850369
E-mail:
info@hoston.cc
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+86-180 2199 5133