Irwin Unibit Drill Bit, #1
Irwin Tools # 10231
Variable size drill bit from 1/8" diameter to 1/2" diameter. Minimize or Learn More more... |
Irwin Unibit Step Drill Bit, #4 3/16" - 7/8"
Irwin Tools # 10234
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
Prime-Line # P 7922
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 3/4"
Irwin Tools # 10233
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, 1/4" To 3/4"
Vermont American Tool # 13372
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, 1/4" To 3/4"
Vermont American Tool # 13373
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, 1/8" To 1/2"
Vermont American Tool # 13370
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, 9/16" To 1"
Vermont American Tool # 13371
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, 3/16" to 1/2"
Irwin Tools # 10232
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, 9/16" x 1"
Irwin Tools # 10220
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... |