2022 Titanium Coating Double R Shank Spiral Flute HSS Step Drill Bits for Metal Tube Sheet Drilling
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- Supplier: Shenzhen Jinmili Technology Co. limited
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Product Overview
Description
2022 Titanium Coating Double R Shank Spiral Flute HSS Step Drill Bits for Metal Tube Sheet Drilling
Description:
For drilling holes in metal material, wood and hard plastic.
Single cutting edge creates perfectly round holes in metal, plastic, wood and other thin materials without center punching.
Material of HSS 9341, M2 are availiable for choice.
Surface Treatment: Bright finished, Tin-coated, Zr-coated, Black-oxidized.
Other special specifications and sizes are avaliable upon customers' requests.
Specification
| Item | Step drill | Size |
| 1 | 4-12mm | 4,6,8,10,12mm |
| 2 | 4-20mm | 4,6,8,10,12,14,16,18,20mm |
| 3 | 4-32mm | 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm |
| 4 | 6-35mm | 6,8,10,12,14,16,18,20,22,24,26,28,30,32,35mm |
| 5 | 4-22mm | 4,6,8,10,12,14,16,18,20,22mm |
| 6 | 3-12mm | 3,4,5,6,7,8,9,10,11,12mm |
Photos
Size:
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