Irwin Industrial 10231

#1 Individual HSS Unibit Step Drill Bit, 1/8"-1/2"- 13 Sizes

Product Details

Single concave flute design creates perfectly round holes in thin materials including steel, brass, copper, and aluminum. Constructed of industrial grade, high speed molybdenum steel.

Graduated in 1/32" increments to drill 13 hole sizes from 1/8" to 1/2". 1/4" shank.

Related Products

Irwin Industrial 10232
#2 Individual HSS Unibit Step Drill Bit, 3/16" - 1/2", 6 Sizes, 3/8"

Order No. IRW10232
Sale Price: $17.65

Irwin Industrial 10233
#3 Individual HSS Unibit Step Drill Bit, 1/4" - 3/4", 9 Sizes, 1/8"

Order No. IRW10233
Sale Price: $31.95

Irwin Industrial 10234
#4 Individual HSS Unibit Step Drill Bit, 3/16" - 7/8", 12 Sizes, 1/8"

Order No. IRW10234
Sale Price: $37.50

Irwin Industrial 10239
#9 Individual HSS Unibit Step Drill Bit, 2 Sizes

Order No. IRW10239
Sale Price: $50.25