Doersupp 4-22mm Hex Shank Step Cone Drill Bit HSS Titanium Coated Hole Cutter

Doersupp 4-22mm Hex Shank Step Cone Drill Bit HSS Titanium Coated Hole Cutter

New 20 available
R415.00
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Product details

Condition
New
Location
International
Product code
ZHIQIAN-024964
Bob Shop ID
679125709
Description:
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

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