Cobalt Alloy Twist Drill Bit
These high-speed steel twist drill bits contain cobalt for drilling in tough metals, including stainless steel and hardened steel. The cobalt increases heat resistance for faster cutting speeds and a longer tool life.
Technical Specifications
Product Overview
High-Performance Cobalt HSS Twist Drill Bits
These cobalt alloy high-speed steel (HSS) twist drill bits are engineered for demanding drilling applications in tough materials such as stainless steel, hardened steel, cast iron, and titanium alloys. The addition of cobalt provides superior heat resistance, enabling faster cutting speeds and significantly extended tool life compared to standard HSS bits. Featuring a standard 118-degree point angle and a spiral flute design, these bits ensure efficient chip removal and precision performance.
Technical Specifications
Suitable For
Stainless SteelHardened SteelCast IronTitanium Alloys
- Point Angle
- 118 degrees
- Material
- Cobalt AlloyHigh-Speed Steel (HSS)
Dimensional Data
Diameter Range
1 mm
Minimum Diameter
13 mm
Maximum Diameter
Available Sizes and Dimensions
| Item No. | Diameter | Working Length | Overall Length |
|---|---|---|---|
| 410370BM | 1.0 mm | 12 mm | 34 mm |
| 410371BM | 1.5 mm | 18 mm | 40 mm |
| 410372BM | 2.0 mm | 24 mm | 49 mm |
| 410373BM | 2.5 mm | 30 mm | 57 mm |
| 410374BM | 3.0 mm | 33 mm | 61 mm |
| 410376BM | 3.5 mm | 39 mm | 70 mm |
| 410377BM | 4.0 mm | 43 mm | 75 mm |
| 410379BM | 4.5 mm | 47 mm | 80 mm |
| 410381BM | 5.0 mm | 52 mm | 83 mm |
| 410382BM | 5.5 mm | 57 mm | 86 mm |
| 410383BM | 6.0 mm | 57 mm | 86 mm |
| 410384BM | 6.5 mm | 63 mm | 101 mm |
| 410385BM | 7.0 mm | 69 mm | 109 mm |
| 410386BM | 7.5 mm | 69 mm | 109 mm |
| 410387BM | 8.0 mm | 75 mm | 117 mm |
| 410388BM | 8.5 mm | 75 mm | 117 mm |
| 410389BM | 9.0 mm | 81 mm | 125 mm |
| 410390BM | 9.5 mm | 81 mm | 125 mm |
| 410391BM | 10.0 mm | 87 mm | 133 mm |
| 410392BM | 10.5 mm | 87 mm | 133 mm |
| 410393BM | 11.0 mm | 94 mm | 142 mm |
| 410394BM | 11.5 mm | 94 mm | 142 mm |
| 410395BM | 12.0 mm | 101 mm | 151 mm |
| 410396BM | 12.5 mm | 101 mm | 151 mm |
| 410397BM | 13.0 mm | 101 mm | 151 mm |
