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Best results for oil drill bit companies
Norseman CN-TECH Cryogenic Nitrided Super Premium 29 Piece Drill Bit Set – Red Ultradex – 47462-135 Degree Split Point – Round Shank With Three Flats
$136.99
$194.53
Amazon.com
Last update was on: May 7, 2024 4:06 am
- Superior to Cobalt bits, ultra hard, super premium drill bits that are designed not to snap and shear during hard drilling, even at awkward angles
- Packaged in a convenient, patented high visibility red ultradex that is easy to see and find. Easy to carry around with durable, long lasting, water resistant packaging. A clip is built into the ultradex so that it may be attached to a belt. The round shank has flats ground onto three sides to reduce slippages of the bits when used in a drill chuck.
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
DEWALT Black Oxide Drill Bit Set, 20-Piece (DW1177)
Drill Hog 29 Pc Cobalt Drill Bit Set M42 Drills Drill Hog
$139.99
$188.99
Amazon.com
Last update was on: May 7, 2024 4:06 am
- Premium Solid Cobalt M42 Super High Speed Steel
- 1/16" to 1/2" in 1/64th Increments (Does not Skip any Sizes)
- High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)
- 135 Degree Split Point Prevents "Walking"
- Tri-Flat Shank Prevents "Spinning" in Chuck
Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron
$14.89
$19.51
Amazon.com
Last update was on: May 7, 2024 4:06 am
- COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant
- for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
