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Maintenance Length Drill Bits

When you choose a maintenance length drill bit from Kimball Midwest, you are guaranteed stronger drill bits that will not break and shear when used. We carry a comprehensive selection that includes both standard Super Primalloy drill bits and left-handed drill bits. We also carry heavy duty Super Primalloy Cryo-Gen “N” Drill bits with superior edge retention and faster hole creation. Also available are maintenance length drill bit sets. We stock both regular drill bit sets and left-handed drill bit sets. Our sets come in various increments to tailor to your needs, and offer several lengths of bits which offer increased life and durability and help you work efficiently. When you are working with difficult materials, choose Kimball Midwest's selection of maintenance length drill bits to make the process easier.

Maintenance Length Drill Bits
 Diameter   Super 
 Primalloy 
 Cryo-Gen 
 N 
 Ultra Step   LH Super 
 Primalloy 
 LH Cryo-Gen 
 N 
1/16" 82-504-12 82-7504-1 82-8504 82-6304 82-8304
5/64" 82-505 82-7505-1 82-8505 - -
3/32" 82-506 82-7506-1 82-8506 82-6306 82-8306
7/64" 82-507 82-7507-1 82-8507 - -
1/8" 82-508-12 82-7508-1 82-8508 82-6308 82-8308
9/64" 82-509 82-7509-1 82-8509 - -
5/32" 82-510 82-7510-1 82-8510 82-6310 82-8310
11/64" 82-511 82-7511-1 82-8511 - -
3/16" 82-512-12 82-7512-1 82-8512 82-6312 82-8312
13/64" 82-513 82-7513-1 82-8513 - -
7/32" 82-514 82-7514-1 82-8514 82-6314 82-8314
15/64" 82-515 82-7515-1 82-8515 - -
1/4" 82-516-12 82-7516-1 82-8516 82-6316 82-8316
17/64" 82-517 82-7517-1 82-8517 - -
9/32" 82-518 82-7518-1 82-8518 82-6318 82-8318
19/64" 82-519 82-7519-1 82-8519 - -
5/16" 82-520-6 82-7520-1 82-8520 82-6320 82-8320
21/64" 82-521 82-7521-1 82-8521 - -
11/32" 82-522 82-7522-1 82-8522 82-6322 82-8322
23/64" 82-523 82-7523-1 82-8523 - -
3/8" 82-524-6 82-7524-1 82-8524 82-6324 82-8324
25/64" 82-525 82-7525-1 82-8525 - -
13/32" 82-526 82-7526-1 82-8526 82-6326 82-8326
27/64" 82-527 82-7527-1 82-8527 - -
7/16" 82-528-6 82-7528-1 82-8528 82-6328 82-8328
29/64" 82-529 82-7529-1 82-8529 - -
15/32" 82-530 82-7530-1 82-8530 82-6330 82-8330
31/64" 82-531 82-7531-1 82-8531 - -
1/2" 82-532-6 82-7532-1 82-8532 82-6332 82-8332
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