Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degree Point Angle
Free Shipping Included! Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degree Point Angle by Chicago Latrobe at In The National Interest. MPN: 46650. Hurry! Limited time offer. Offer valid only while supplies last. Greenfield heavy-duty aircraft jobber drills are made of cobalt steel with a bronze finish, split point, 135 degrees. They are designed for drilling
Greenfield heavy-duty aircraft jobber drills are made of cobalt steel with a bronze finish, split point, 135 degrees. They are designed for drilling in alloy, stainless, hardened, and tool steel as well as titanium and other hardened alloys. There are no finer drills made. This drill set features 29 fractional bits ranging from 1/16-inch to 1/2-inch by 64ths, lettered bits from A to Z, and 60 numbered bits from number 1 to number 60. Housed in a rugged indexed steel case with easy-to-read markings including tap information. 1/64-inches set size increment. 135 degree P3 split point is self-centering for reduced thrust and easier penetration. Made from premium cobalt high speed steel. Heavy duty construction. Gold oxide finish add lubricity and easily identifies cobalt drills. Manufactured to NAS 907 Type J geometry aerospace specifications. Cutting length is 3 - 4 times the diameter.
Features & Highlights
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- Round shanks allow use with a wide variety of toolholding systems
- Manufactured to NAS 907 Type J geometry aerospace specifications
|Item Weight:||8 pounds|
|Item Size:||4.9 x 2.6 x 2.6 inches|
|Package Weight:||8.25 pounds|
|Package Size:||4.9 x 2.7 x 2.7 inches|
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