Step Drill Bits

10 ITEMS  See all sub-categories for Drill Bits
irwin unibit drill bit, #1 Irwin Unibit Drill Bit, #1 Irwin Tools # 10231

$22.99 Add to Cart

 

Variable size drill bit from 1/8" diameter to 1/2" diameter.

Minimize
or Learn More
more...


irwin unibit step drill bit, #4 3/16in. - 7/8in. Irwin Unibit Step Drill Bit, #4 3/16" - 7/8" Irwin Tools # 10234

$42.99 Add to Cart

 

Exclusive single radial concave flute design allows the drilling of perfectly round holes in thin materials. Used for steel, copper, brass, aluminum and other thin materials. Constructed of industrial grade high-speed molybdenum steel, heat-treated to a hardness of between 61 and 63 on the Rockwell ``C'' scale assures maximum strength and long life. Self-starting tips will not skid like standard twist drill bits. Laser-marking on the bit. Fastest step depth to a 1/2" knock-out. Especially suitable for making perfectly round, miniature push button and pilot light holes. 3/16" to 7/8" hole size, in 1/16" increments. 1/8'' step thickness, 3/8'' shank size.

Minimize
or Learn More
more...


step drill Step Drill Prime-Line # P 7922

$7.99 Add to Cart

 

Used to attach a variety of plunger latches to window frame. Drills 7/32" and 1/8".

Minimize
or Learn More
more...


step drill bit, 1/4 to 3/4in. Step Drill Bit, 1/4 To 3/4" Irwin Tools # 10233

$33.99 Add to Cart

 

Exclusive single radial concave flute design allows the drilling of perfectly round holes in thin materials. Used for steel, copper, brass, aluminum and other thin materials. Constructed of industrial grade high-speed molybdenum steel, heat-treated to ahardness of between 61 and 63 on the Rockwell ``C'' scale assures maximum strength and long life. Self-starting tips will not skid like standard twist drill bits. Laser-marking on the bit. No. 10231: 1/8'' to 1/2" hole size, in 1/32" increments. 1/8'' step thickness, shank size. No. 10232: 3/16'' to 1/2" hole size, in 1/16" increments. 3/8'' step thickness, 1/4'' shank size. No. 10233: For cutting medium sized holes. Hole size 1/4" to 3/4" hole size, in 1/16" increments. 1/8'' step thickness, 3/8'' shank size. No. 10234: Fastest step depth to a 1/2" knock-out. Especially suitable for making perfectly round, miniature push button and pilot light holes. 3/16" to 7/8" hole size, in 1/16" increments. 1/8'' step thickness, 3/8'' shank size.

Minimize
or Learn More
more...


step drill bit, 1/4in. to 3/4in. Step Drill Bit, 1/4" To 3/4" Vermont American Tool # 13372

$49.99 Add to Cart

 

Handles repetitive drilling of holes in steel, copper, brass, aluminum, plastic, Plexiglass and woods up to 1/8" thick. Drill up to 13 different holes with one bit. Automatically deburrs holes. More free cutting, cooler running. Balanced double flute provides less chattering. No. 13370: 1/8'' - 1/2''hole size, in 1/32'' increments. 1/8'' step depth, 1/4'' shank size. Self-starting point. No. 13371: 9/16 - 1" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Point type for hole enlarging. Requires 1/2" or larger pilot hole. No. 13372: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point. No. 13373: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point.

Minimize
or Learn More
more...


step drill bit, 1/4in. to 3/4in. Step Drill Bit, 1/4" To 3/4" Vermont American Tool # 13373

$55.99 Add to Cart

 

Handles repetitive drilling of holes in steel, copper, brass, aluminum, plastic, Plexiglass and woods up to 1/8" thick. Drill up to 13 different holes with one bit. Automatically deburrs holes. More free cutting, cooler running. Balanced double flute provides less chattering. No. 13370: 1/8'' - 1/2''hole size, in 1/32'' increments. 1/8'' step depth, 1/4'' shank size. Self-starting point. No. 13371: 9/16 - 1" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Point type for hole enlarging. Requires 1/2" or larger pilot hole. No. 13372: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point. No. 13373: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point.

Minimize
or Learn More
more...


step drill bit, 1/8in. to 1/2in. Step Drill Bit, 1/8" To 1/2" Vermont American Tool # 13370

$28.99 Add to Cart

 

Handles repetitive drilling of holes in steel, copper, brass, aluminum, plastic, Plexiglass and woods up to 1/8" thick. Drill up to 13 different holes with one bit. Automatically deburrs holes. More free cutting, cooler running. Balanced double flute provides less chattering. No. 13370: 1/8'' - 1/2''hole size, in 1/32'' increments. 1/8'' step depth, 1/4'' shank size. Self-starting point. No. 13371: 9/16 - 1" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Point type for hole enlarging. Requires 1/2" or larger pilot hole. No. 13372: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point. No. 13373: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point.

Minimize
or Learn More
more...


step drill bit, 9/16in. to 1in. Step Drill Bit, 9/16" To 1" Vermont American Tool # 13371

$55.99 Add to Cart

 

Handles repetitive drilling of holes in steel, copper, brass, aluminum, plastic, Plexiglass and woods up to 1/8" thick. Drill up to 13 different holes with one bit. Automatically deburrs holes. More free cutting, cooler running. Balanced double flute provides less chattering. No. 13370: 1/8'' - 1/2''hole size, in 1/32'' increments. 1/8'' step depth, 1/4'' shank size. Self-starting point. No. 13371: 9/16 - 1" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Point type for hole enlarging. Requires 1/2" or larger pilot hole. No. 13372: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point. No. 13373: 1/4"-3/4" hole size, in 1/16" increments. 1/8'' step depth, 3/8'' shank size. Self-starting point.

Minimize
or Learn More
more...


step drill unibit, 3/16in. to 1/2in. Step Drill Unibit, 3/16" to 1/2" Irwin Tools # 10232

$18.99 Add to Cart

 

Exclusive single radial concave flute design allows the drilling of perfectly round holes in thin materials. Used for steel, copper, brass, aluminum and other thin materials. Constructed of industrial grade high-speed molybdenum steel, heat-treated to a hardness of between 61 and 63 on the Rockwell ``C'' scale assures maximum strength and long life. Self-starting tips will not skid like standard twist drill bits. Laser-marking on the bit. No. 10231: 1/8'' to 1/2" hole size, in 1/32" increments. 1/8'' step thickness, shank size. No. 10232: 3/16'' to 1/2" hole size, in 1/16" increments. 3/8'' step thickness, 1/4'' shank size. No. 10233: For cutting medium sized holes. Hole size 1/4" to 3/4" hole size, in 1/16" increments. 1/8'' step thickness, 3/8'' shank size. No. 10234: Fastest step depth to a 1/2" knock-out. Especially suitable for making perfectly round, miniature push button and pilot light holes. 3/16" to 7/8" hole size, in 1/16" increments. 1/8'' step thickness, 3/8'' shank size.

Minimize
or Learn More
more...


unibit step drill bit, 9/16in. x 1in. Unibit Step Drill Bit, 9/16" x 1" Irwin Tools # 10220

$37.99 Add to Cart

 

Single-fluted cutting edge assures true round holes and allows greater control with less vibration. Three flatted shank prevents slipping in drill chuck. For drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates. Pilot Hole Required.

Minimize
or Learn More
more...




Related Articles
Shop by Department
Other Shopping Links:

We also Suggest:


 
Order online or call 800-431-2712   
Order Status     Shipping Costs     Return Policy     Your Privacy

Browse Products:
Sign Up Today

*Aubuchon Hardware stores are located in Massachusetts, Vermont, New Hampshire, Maine, Connecticut and New York.
© W.E. Aubuchon Co., Inc. 2008.