China 2021 Bomi HSS Drill Bits Factory Customized Change Hex Shank Brad Point Drill Bit, Find details about China Drill, Drill Bit from 2021 Bomi HSS Drill Bits Factory Customized Change Hex Shank Brad Point Drill Bit
Product Name | 4mm Wood Use DIN338 Fully Ground Impact Driver Drill Bits | ||
Material | HSS (Cobalt HSS-E is Available) | ||
Process | Fully Ground (Rolled, Rolled & Polished, Milled are Available) | ||
Standard | DIN338 (Stub DIN1897, Long DIN340, Extra Long DIN1869, Reduced Shank are Available) Jobber Length (Stub Screw Machine Length, Long Taper Length, Airctraft Extensoin, Extra Long , Silver & Deming 1/2" Reduced Shank are Available) | ||
Size | 0.2-30MM 1/16" - 31/64" , A - Z, 1# - 60# | ||
Point Type | 118 Degree Regular Point ,135 Degree Split Point, Pilot Point are Available | ||
Shank Type | Straight Shank ,Hex Shank, Tri-Flats Shank, Double R Hex Shank, Reduced Shank, Threaded Hex Shank are Available | ||
Helix Angle | Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type Ware Available) | ||
Web & Flute Type | Regular Web & Flute (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available) | ||
Surface Finish | Bright (Black Oxide, Amber Color, Titanium, Black & Gold, Black & Bright are Available) | ||
Package | in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell, Metal Box | ||
Features | 1.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. 2.Universal 118° point shape for drilling a wide selection of materials. 3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance. 4.Ground flutes provide fast chip removal to maximize accuracy and efficiency along the full working surface of the bit. |
Diameter | Overall Length | Flute Length | Hex Shank Length |
1/16 | 63.5 | 16.5 | 28 |
5/64 | 65.1 | 17.6 | 28 |
3/32 | 66 | 19.7 | 28 |
7/64 | 68.3 | 21.8 | 28 |
1/8 | 69.9 | 23 | 28 |
9/64 | 71.4 | 25.1 | 28 |
5/32 | 73 | 26.2 | 28 |
11/64 | 74.6 | 28.3 | 28 |
3/16 | 76.2 | 28.4 | 28 |
13/64 | 77.8 | 28.5 | 28 |
7/32 | 79.4 | 28.7 | 28 |
15/64 | 81 | 28.8 | 28 |
1/4 | 82.6 | 28.9 | 28 |
9/32 | 85.7 | 29.4 | 28 |
5/16 | 88.9 | 32.9 | 28 |
11/32 | 92.1 | 36.9 | 28 |
3/8 | 95.3 | 36.2 | 28 |
7/16 | 101.5 | 47 | 28 |
1/2 | 108 | 53.1 | 28 |