Zzanggu Step Drill Bits (4-12/4-20/4-32mm) Titanium Coated Straight Flute with 1/4" HSS Hex Shank, Centre Hole Cutter (3Pcs)

Description

Zzanggu Step Drill Bit Set(3Pcs) with 4-12/20/32 mm, Titanium Coated Straight Flute with 1/4" HSS Hex Shank

【Specifications】

Type: Step Drill Bit

Material: High Speed Steel 4241, Titanium Coated

Color:Gold

Size(Total Length*Shank Diameter):

4-12mm(0.16-0.47"): Approx.65*6mm

4-20mm(0.16-0.79"):Approx.75*8mm

4-32mm(0.16-1.26"):Approx.100*10mm

The three cutters Come in the following sizes:

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

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

4-32mm(4/6/8/10/12/14/16/18/20/22/24/26/28/30/32mm)

【Features】

[1] Two-flute Design Gives You Faster, Smoother Cutting. Automatically Deburrs Holes as you Drill

[2] Titanium coated to reduce friction and heat

[3] 1/4 inch hex shank fits into power tools chuck securely and eliminates slip

[4] Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,PVC

【Tips】

[1] Work while water cooling, can effectively extend the service life of drill bit

[2] Recommend drilling rate of 250-400 RPM

[3] It can drill thin iron plate, aluminum, insulation board, PVC board that the thickness is within 5mm

【Package Included】

1 x HSS Step Drill Bits 4-12mm

1 x HSS Step Drill Bits 4-20mm

1 x HSS Step Drill Bits 4-32mm