4-32mm HSS Cobalt Step Drill Bit, High-Speed Steel, Nitrogen Spiral, Triangle Shank, for Metal Cone Drilling

No need for a pilot hole; Titanium coated to reduce friction and run cooler

Large bit has 3 sided shank.

Automatically deburr holes as you drill

High speed steel, durable.

Specification :

Color : Black

Material : High Speed Steel(HSS)

Surface : Nitrogen treatment (increasing the hardness and abrasion resistance)

Shank: Triangle round handle

Scop : thin iron plate, aluminum, insulation panels, PVC panels 4mm thickness within the timber.

Type:

4-32mm(4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm), Shank: 25 x 10mm

Package included :

1 x 4-32mm Spiral Grooved Drill