Doersupp 4-22mm Hex Shank Step Cone Drill Bit HSS Titanium Coated Hole Cutter
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Product details
Condition
New
Location
International
Bob Shop ID
615193878
Description:
Doersupp 4-22mm Hex Shank Step Cone Drill Bit HSS Titanium Coated Hole Cutter
Specification:
Features:
The ladder of its unique structure, a bit can open a variety of specifications of aperture. Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken. Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them ?was unable,but it is possible. The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit, recommend drilling rate of 250-250 RPM. ? Package Included:
1 x Step Drill
More Details:
Doersupp 4-22mm Hex Shank Step Cone Drill Bit HSS Titanium Coated Hole Cutter
Specification:
| Material | High speed steel 4241 |
| Size | 4-22 mm (10 Setps: 6,8,10,12,14,16,18,20 22mm) |
| Shank | 6mm(dia),25mm(L) |
| Total | 75mm(L) |
Features: The ladder of its unique structure, a bit can open a variety of specifications of aperture. Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken. Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them ?was unable,but it is possible. The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit, recommend drilling rate of 250-250 RPM. ? Package Included:
1 x Step Drill
More Details: