Hex Shank HSS Step Drill Bits With Titanium Coated Spiral Flute Inch Size

Description of HSS Step drill bits:

1. Material:HSS 4241,4341,6542,M35;

2. Process:Milled

3. Surface:Titanium Coated.others surface are available.

4. Shank:Hex Shank

5. Drill bits set are available.

Step Drill Bits for Metal Features:

1. HSS Step Drills for drilling cylindrical holes in solid material up to a thickness of 4 ~ 5mm.

2. Burr-free and vibration-free drilling.

3. The tapered cutting edges of the next drill step can be used for simultaneous deburring or chamfering of the finished bore at the same time.

4. Drills up to 1/2" holes sizes with one bit.

5. Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic.

6. Ideal tool for sheet metal workers, electrical contractor, auto mechanics, and general contractors.

7. Surface treatment available: White Finish, Black Oxide, Titanium Coated, Cobalt Coated, TiALN Coated

Size:

Sets of Step Up Drill Bit:

Package:

1. Normal Package:1pc in a plastic tube,then inner box,out carton.

2. Other package:Blister card,Cloth bag,according to your requirments.

Delivery Detail:

1. Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc

2. Normal order will be delivered by sea.

3. About 20-30days after your deposite,according to your order quantity.