Cornwell Tools Cryo/Nitride 135 degree split point drill bit set For Sale
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Cornwell Tools Cryo/Nitride 135 degree split point drill bit set:
$250.00
I bought these drill bits from my Cornwell dealer about 5 months ago and I have only used 5 of the drill bits. I used the smaller drill bits. These are still in like new shape. I paid 400 for these and I\'m asking 250 for the set and I will ship for free. Any questions feel free to ask. Below are the details from the Cornwell Tools website.
Cryogenic treatment at -300° F increases toughness while reducing brittleness. Nitride coating creates a case hardened surface that is resistant to rust, heat, and extends tool life. Excels in drilling through high tensile materials such as 3% Boron, military-grade armor plating, 400, 450 & 500 steel found in today\'s automobiles, trucks, trailers, construction, and military equipment. Three-flat shank design. Sizes 1/16\" to 1/2\" by 64ths. Made in the USA.
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