Brand: OEM
Packaging: 1pc/polybox + carton(as per customer's requirements)
Productivity: 1000000PCS
Transportation: Ocean,Land,Air,Express
Place of Origin: Changzhou,Jiangsu
Supply Ability: 1000000PCS
Certificate: ISO
HS Code: 820770
Port: Shanghai
Payment Type: T/T,Paypal,Western Union
Incoterm: EXW,CIF,FOB
Drills are cutting tools used to remove material to create holes, almost always of circular cross-section. Drills come in many sizes and shapes and can create different kinds of holes in many different materials. In order to create holes drill bits are usually attached to a drill, which powers them to cut through the workpiece, typically by rotation. The drill will grasp the upper end of a bit called the shank in the chunk.
Drills come in standarized drill bits sizes. A comprehensive drill bit and tap size chart lists metric and imperial sized drills alongside the required screw tap sizes. There are also certain specialized drill bits that can create holes with a non-circular cross-section.
Fit for Drilling quenching and tempered steel.stainless steel.nickel alloy and Titanium alloy,Cast iron,enhanced composited material
| D | Flute Length | A.O.L | Drilling Angle | Drilling Angle |
| 3 | 16 | 46 | 120° | 135° |
| 3.2 | 18 | 49 | 120° | 135° |
| 3.5 | 20 | 52 | 120° | 135° |
| 4 | 22 | 55 | 120° | 135° |
| 4.2 | 22 | 55 | 120° | 135° |
| 4.5 | 24 | 58 | 120° | 135° |
| 5 | 26 | 62 | 120° | 135° |
| 5.2 | 26 | 62 | 120° | 135° |
| 5.5 | 28 | 66 | 120° | 135° |
| 5.8 | 28 | 66 | 120° | 135° |
| 6 | 28 | 66 | 120° | 135° |
| 6.5 | 31 | 70 | 120° | 135° |
| 6.8 | 34 | 74 | 120° | 135° |
| 7 | 34 | 74 | 120° | 135° |
| 7.5 | 34 | 74 | 120° | 135° |
| 8 | 37 | 79 | 120° | 135° |
| 8.5 | 37 | 79 | 120° | 135° |
| 9 | 40 | 84 | 120° | 135° |
| 9.5 | 40 | 84 | 120° | 135° |
| 10 | 43 | 89 | 120° | 135° |
| 10.2 | 43 | 89 | 120° | 135° |
| 10.5 | 43 | 89 | 120° | 135° |
| 11 | 47 | 95 | 120° | 135° |
| 12 | 51 | 102 | 120° | 135° |
| 12.5 | 51 | 102 | 120° | 135° |
| 13 | 51 | 102 | 120° | 135° |
| 13.5 | 54 | 107 | 120° | 135° |
| 14 | 54 | 107 | 120° | 135° |
| 14.5 | 56 | 111 | 120° | 135° |
| 15 | 56 | 111 | 120° | 135° |
| 15.5 | 58 | 115 | 120° | 135° |
| 16 | 58 | 115 | 120° | 135° |
| 17 | 60 | 119 | 120° | 135° |
| 18 | 62 | 123 | 120° | 135° |
| 19 | 64 | 127 | 120° | 135° |
| 20 | 66 | 131 | 120° | 135° |
Product Categories : Carbide Drill Bits > Twist Drills
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