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Irwin Tools Step Drills
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7 products
UNIBIT # 14 STEP DRILL 1-7/32" 10314 G/M # 0925-4628
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UNIBIT # 13 STEP DRILL 1-1/8" 1/2" SNK 10313 G/M #0281-RCXL
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UNIBIT 12 STP DRLL 3/8 HOLE SZ * 1/4" SHANK 10312
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UNIBIT 3 PC STEP DRILL SET 502 10502
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UNIBIT # 4 STEP DRILL(12 HL SZ) 10234 - 3/16"-7/8" SIZES
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UNIBIT # 3 STEP DRILL (9 SZ) # 10233 - 1/4"-3/4" SIZES IN
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UNIBIT # 1 STEP DRILL, 13 SIZES 10231 G/M 0281-RCXH
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