Pagoda drilling pores Open universal punching steel ultra -hard expansion cone -shaped metal multi -function stainless steel stair diamond

Product information

Code 548852509633

Status:	New
In stock:	200 PCs
Approx weight:	0 kg
Sales volume for 30 days:	8
Price per 1 piece :
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Quantity:	+ -
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Vendor info

Name:	上海阡齐五金
Shop name:	上海阡齐五金工具
Shipping estimate:	4.6
Goods valuation:	4.7
Service evaluation:	4.2
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5 steps 4-12; 9 stairs 4-20; 15 steps 4-32; 5-meter diamond diamond 4-12 (including cobalt); Ladder Diamond 9 Medium 4-20 (including cobalt); Ladder Diamond 15 Medium 4-30 (including cobalt); Step diamond 5th step 4-12 (spiral triangle handle); Staying diamond 9-20 (spiral triangle handle); Ladder Diamond 15th step 4-32 (spiral triangle handle); Ladder diamond 15th step 4-32 (triangular handle); 4241 step diamond 5th step 4-12 (triangular handle); 4241 step diamond diamond 9th-level 4-20 (triangular handle); 4241 step diamond 15th step 4-32 (triangular handle); 3 -piece set of step diamond drills; Triangular handle stair diamond 3 -piece package delivery; Spiral step drill 3 piece set for delivery; Cobalt -containing ladder diamond 3 -piece package delivery package; 4241 step diamond diamond 3 -piece package delivery; Staircase diamond; 5-meter 4-12 (including cobalt);

Original description

Hexagonal shank straight groove step drill

1. The unique staircase structure, a drill can open a variety of specifications of pores, and one step drill to the previous box of drills.

2There is no need to use center rushing, which is not easy to break compared to ordinary twist diamonds.On -site construction, a ladder drill multiple specifications are applicable.

3, deburring, chamfering, opening elliptical hole expansion, and twist drilling can't complete the functions.

4, Compared with ordinary twist diamonds.Small shaking, no need to lead the centers, can also open a beautiful pores.

5, Tools for use: pistol drill, table drill.Inject water to cool while working, which can effectively extend the service life of the drill bit. The recommended drilling speed250--400change.

Material: High -speed Steel4241(Suitable in hardnessgenerallyThe workpiece, such as iron plate, the thickness of the board is on5MMthe following)

Specification:4-32mm(4,,6,,8,,10,,12,,14,,16,,18,,20,,22,,24,,26,,28,,30,,32mm.

4-20mm(4,,6,,8,,10,,12,,14,,16,,18,,20mm)

4-12mm(4,,6,,8,,10,,12mm)