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Holemaking

Drill Bits

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irwin_unibit_10220
Irwin® Unibit®
Irwin® Unibit® 10220 Hole Enlarging Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, 8 Hole Sizes, 7/16 in Shank
PET20MFG #:10220
Made in the USA.
Price Not Available
irwin_unibit_10231
Irwin® Unibit®
Irwin® Unibit® 10231 Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, HSS, 13 Hole Sizes, 1/4 in Shank
PET1MFG #:10231/1
Made in the USA.
Price Not Available
irwin_unibit_10232
Irwin® Unibit®
Irwin® Unibit® 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, 6 Hole Sizes, 1/4 in Shank
PET2MFG #:10232/2
Made in the USA.
Price Not Available
irwin_unibit_10233
Irwin® Unibit®
Irwin® Unibit® 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, 9 Hole Sizes, 3/8 in Shank
PET3MFG #:10233/3
Made in the USA.
Price Not Available
irwin_unibit_10234sm
Irwin® Unibit®
Irwin® Unibit® 10234SM Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank
PET4MFG #:10234/4
Made in the USA.
Price Not Available
irwin_unibit_10235
Irwin® Unibit®
Irwin® Unibit® 10235 Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, HSS, 10 Hole Sizes, 7/16 in Shank
PET5MFG #:10235/5
Made in the USA.
Price Not Available
irwin_unibit_10311
Irwin® Unibit®
Irwin® Unibit® 10311 Step Drill Bit, 7/8 in Dia Min Hole, 7/8 in Dia Max Hole, HSS, 1 Hole Sizes, 3/8 in Shank
PET11MFG #:10311/11
Made in the USA.
Price Not Available
irwin_unibit_10311zr
Irwin® Unibit®
Irwin® Unibit® 10311ZR Step Drill Bit, 7/8 in Dia Min Hole, 7/8 in Dia Max Hole, HSS, 1 Hole Sizes, 3/8 in Shank
PET011MFG #:10311ZR
Made in the USA.
Price Not Available
irwin_unibit_10220
Irwin® Unibit®
Irwin® Unibit® 10220 Hole Enlarging Step Drill Bit, 9/16 in Dia Min Hole, 1 in Dia Max Hole, 8 Steps, 8 Hole Sizes, 7/16 in Shank
PET20MFG #:10220
Made in the USA.
Price Not Available
irwin_unibit_10231
Irwin® Unibit®
Irwin® Unibit® 10231 Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, HSS, 13 Hole Sizes, 1/4 in Shank
PET1MFG #:10231/1
Made in the USA.
Price Not Available
irwin_unibit_10232
Irwin® Unibit®
Irwin® Unibit® 10232 Self-Starting Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, 6 Hole Sizes, 1/4 in Shank
PET2MFG #:10232/2
Made in the USA.
Price Not Available
irwin_unibit_10233
Irwin® Unibit®
Irwin® Unibit® 10233 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 3/4 in Dia Max Hole, 9 Steps, 9 Hole Sizes, 3/8 in Shank
PET3MFG #:10233/3
Made in the USA.
Price Not Available
irwin_unibit_10234sm
Irwin® Unibit®
Irwin® Unibit® 10234SM Step Drill Bit, 3/16 in Dia Min Hole, 7/8 in Dia Max Hole, 12 Steps, HSS, 12 Hole Sizes, 3/8 in Shank
PET4MFG #:10234/4
Made in the USA.
Price Not Available
irwin_unibit_10235
Irwin® Unibit®
Irwin® Unibit® 10235 Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, HSS, 10 Hole Sizes, 7/16 in Shank
PET5MFG #:10235/5
Made in the USA.
Price Not Available
irwin_unibit_10311
Irwin® Unibit®
Irwin® Unibit® 10311 Step Drill Bit, 7/8 in Dia Min Hole, 7/8 in Dia Max Hole, HSS, 1 Hole Sizes, 3/8 in Shank
PET11MFG #:10311/11
Made in the USA.
Price Not Available
irwin_unibit_10311zr
Irwin® Unibit®
Irwin® Unibit® 10311ZR Step Drill Bit, 7/8 in Dia Min Hole, 7/8 in Dia Max Hole, HSS, 1 Hole Sizes, 3/8 in Shank
PET011MFG #:10311ZR
Made in the USA.
Price Not Available