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6pcs 4-12/4-20/4-32 mm HSS Straight Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set Free 3mm

6pcs 4-12/4-20/4-32 mm HSS Straight Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilling Tools Set Free 3mm

$9.00 USD
$0.00 USD $9.00 USD
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Buy now, send 1pc 3mm cobalt twist drill, can use in stainless steel, steel, iron, aluminum and other metal materials.

[Material]: High-speed steel 4241.
[Handle]: Step drill is triangle round handle, prevent sliping. The saw and drill is a round handle.
[Surface treatment]: The gold is titanium coating, more wear and oxidation resistance, not rust.

[Specification]: 

4 - 12 mm 5 Steps (4mm,6mm,8mm,10mm,12mm) 
4 - 20 mm 9 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm)
4 - 32 mm 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)
Saw drill: 3mm, 6mm, 8mm.
[Advantages]:
1. "X" shaped openings, drilling is not easy to slip. Higher precision, more sharp, burr-free drilling.
2, The unique step structure, a drill can drill a variety of sizes of the aperture. You can deburring, chamfering, punching elliptical hole.
3, Suitable for installation in the pistol drill and bench drill.
4, The hardness of the workpiece below the use of 25 ° below, such as iron, aluminum, PVC board, insulation board, wood, workpiece thickness 4mm.
5.Sawtooth broaching drill is applicable to wood boards not exceeding 5mm.
[Packaging]:
A. Beautifully packaged in plastic case.
B. OPP bag
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