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3pcs HSS Titanium Plating Umbrella Drill Bit Umbrella Chamfer Chamfering Cutter Step Drill Bit Set
Discription of Step Drill Bits:
Features of Step Drill Bit:
- Unique umbrella structure, a drill can open a variety of sizes
aperture.
- Does not require the use of a center punch, and is less likely to
break than a regular twist drill.
- Deburring, chamfering and round hole reaming are done at one time
with little shaking.
- Using 4241# high speed steel, easy drilling, high hardness, sharp
edge, good cutting effect.
- Gold titanium plating process is not fade, not easy to scratch.
Specification:
1. MaterialHigh-speed steel 4241
2. Style:Taper Umbrella
3. Color:Gold
4. Shank Size:6mm; 8mm;10mm
5. Type:1.16-30.5mm/0.62"-1.2",10mm Handle Dia.
2.6-20mm/0.1"-0.79", 8mm Handle Dia.
3.3-14mm/0.13"-0.55", 6mm Handle Dia.
Package Included:
3pcs Umbrella chamfer chamfering cutter
Package And Delivery:
1. Normal Package:5/10 pcs in a plastic bag,then inner box and out carton.
2. Other package:Blister card,Plastic tube,PVC pouch,according to your requirments.
3. HSS Drill bits set are available.
4. Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc
5. Normal order will be delivered by sea.
6. About 20-30days after your deposite,according to your order quantity.
Q1: How to deliver the goods?
Deliver By sea,By air,By express.
According to your order,we usually finish producing about 20-30days.
We accept Payment:Bank transfer,Wester Union,Paypal.
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