Description
CALAUTOTOOL Monday -Friday 10-5pm PST Saturday 10-4 pm PST
IRWIN UNIBITS STEP BITS
Description:
SpeedPoint® tip for fast starts.*
• Geometry of single-flute cutting edge drills true,
round holes and provides maximum step control.
• Geometry of single-flute cutting edge drills true,
round holes and provides maximum step control.
Titanium Nitride coating resists heat and friction, extending the
cutting edge life up to six times longer than other high speed
steel step drill bits.
• SpeedPoint® tip for fast starts.*
cutting edge life up to six times longer than other high speed
steel step drill bits.
• SpeedPoint® tip for fast starts.*
# | Description | # of Hole | Hex Shank | Carded |
#1 | 1/8″ – 1/2″ (1/32″ steps) | 1/4″ | 10231 | |
#2 | 3/16″ – 1/2″ (1/16″ steps) | 13 | 1/4″ | 10232 |
#3 | 1/4″ – 3/4″ (1/16″ steps) | 6 | 3/8″ | 10233 |
#4 | 3/16″ – 7/8″ (1/16″ steps) | 9 | 3/8″ | 10234 |
#5 | 1/4″ – 1-3/8″ (1/8″ steps) | 12 | 7/16″ | 10235 |
#9 | 7/8″ and 1-1/8″ (1/2″ and 3/4″ Knock-Out) |
10 | 7/16″ | 10239 |
#10 | 1/2″ (single hole) | 2 | 1/4″ | 10310 |
#11 | 7/8″ (single hole) | 1 | 3/8″ | 10311ZR |
#12 | 3/8″ (single hole) | 1 | 1/4″ | 10312ZR |
#13 | 1-1/8″ (single hole) | 1 | 7/16″ | 10313ZR |
#14 | 1-7/32″ (single hole) | 1 | 7/16″ | 10314 |
#20 | 9/16″ – 1″ (hole enlarging) | 8 | 7/16″ | 10220 |
#21 | 13/16″ – 1-3/8″(hole enlarging) |
10 | 7/16″ | 10221 |
#1M | 4 mm – 12 mm (1 mm steps) 9 1/4″ | 9 | 1/4″ | 11101ZR |
#2M | 4 mm – 12 mm (2 mm steps) 5 1/4″ | 5 | 1/4″ | 11102 |
#3M | 6 mm – 18 mm (2 mm steps) 7 3/8″ | 7 | 3/8″ | 11103 |
#4M | 4 mm – 22 mm (2 mm steps) 10 3/8 | 10 | 3/8″ | 11104 |
#5M | 5 mm – 35 mm (2-3 mm steps) 13 7 | 13 | 7/16″ | 11105ZR |
#20 | M 14 mm – 24 mm (hole enlarging) |
6 | 7/16″ | 11580 |
#21 | M 20 mm – 34 mm (hole enlarging) |
8 | 7/16″ | 11581 |
PG2 | 9M 5 mm – 28.3 mm 10 7/16″ 11194 |
10 | 7/16″ | 11194 |
29 mm | 5 mm – 29 mm 10 7/16″ 11195 | 10 | 7/16″ | 11195 |
#1T | 1/8″ – 1/2″ (1/32″ steps) | 13 | 1/4″ | 15101ZR |
#2T | 3/16″ – 1/2″ (1/16″ steps) | 6 | 1/4″ | 15102ZR |
#3T | 1/4″ – 3/4″ (1/16″ steps) | 9 | 3/8″ | 15103ZR |
#4T | 3/16″ – 7/8″ (1/16″ steps) |
12 | 3/8″ | 15104 |
#13T | T 1-1/8″ (single hole) |
16 | 7/16″ | 15313 |
#20T | T 9/16″ – 1″ (hole enlarging) |
8 | 7/16″ | 15200 |
#21T | 13/16″ – 1-3/8″ (hole enlarging) | 10 | 7/16″ | 15221 |