54390 Type 130-MRO Maintenance Length 1/2" Reduced Shank 135Â degree Split Point 3-Flats on Shank Surface Treated Drill Bit 1/2" NPS O-ring NBR (Buna-N)

O-ring NBR (Buna-N)

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Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm

body and drill diameter for accuracy and high performance

54390 Type 130-MRO Maintenance Length 1/2" Reduced Shank 135Â degree Split Point 3-Flats on Shank Surface Treated Drill Bit 1/2" NPS O-ring NBR (Buna-N)The 130 MRO is a shorter (5") tougher version of our very popular 1 2" reduced shank product. Designed specifically for the needs of the MRO market, the 130 MRO has a 135? split point to insure fast hole starts without drill walking. The three flats on the shank insure positive chucking with out slippage. Click Here for product catalog Proudly Manufactured in the U. S. A