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Description
Made in the USA · Triumph Twist Drill
- Quality American-made drill bit
- 118° point
- Reduced shank - 1/2" shank
- General purpose use
- Made of high speed steel - black oxide flutes
- For use in stainless steels, iron & cast materials, low & high carbon steel, hard & softwoods, aluminum, aluminum alloys, brass, bronze - soft & medium, & plastics
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A high quality American-made drill bit with a 1/2" reduced shank (silver & deming) made by Triumph Twist Drill Co. These twist bits are made of High Speed Steel to hold their sharp cutting edges, & have black oxide flutes. These twist bits are for general purpose drilling in a variety of materials. For use in stainless steels, iron & cast materials, low & high carbon steel, hard & softwoods, aluminum, aluminum alloys, brass, bronze - soft & medium, & plastics. Made in the USA.Triumph Twist Drill has manufactured High-Quality cutting tools for over 50 years. Starting in 1952, founder Harry Beck set out to provide customers with a product that the drill industry had been lacking. Harry, along with his son Jim and Cy Brock, decided to enter the small drill business and create quality, handmade products with the customer in mind.
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Drill Bit Diameter Decimal Equivalent Shank Flute Length Overall Length Model 33/64" .5156 1/2" 3" 6" 091733 17/32" .5312 1/2" 3" 6" 091734 35/64" .5469 1/2" 3" 6" 091735 9/16" .5625 1/2" 3" 6" 091736 37/64" .5781 1/2" 3" 6" 091737 19/32" .5938 1/2" 3" 6" 091738 39/64" .6094 1/2" 3" 6" 091739 5/8" .6250 1/2" 3" 6" 091740 41/64" .6406 1/2" 3" 6" 091741 21/32" .6562 1/2" 3" 6" 091742 43/64" .6719 1/2" 3" 6" 091743 11/16" .6875 1/2" 3" 6" 091744 45/64" .7031 1/2" 3" 6" 091745 23/32" .7188 1/2" 3" 6" 091746 47/64" .7344 1/2" 3" 6" 091747 3/4" .7500 1/2" 3" 6" 091748 49/64" .7656 1/2" 3" 6" 091749 25/32" .7812 1/2" 3" 6" 091750 51/64" .7969 1/2" 3" 6" 091751 13/16" .8125 1/2" 3" 6" 091752 53/64" .8281 1/2" 3" 6" 091753 27/32" .8438 1/2" 3" 6" 091754 55/64" .8594 1/2" 3" 6" 091755 7/8" .8750 1/2" 3" 6" 091756 57/64" .8906 1/2" 3" 6" 091757
29/32" .9062 1/2" 3" 6" 091758 59/64" .9219 1/2" 3" 6" 091759 15/16" .9375 1/2" 3" 6" 091760 61/64" .9531 1/2" 3" 6" 091761 31/32" .9688 1/2" 3" 6" 091762 63/64" .9844 1/2" 3" 6" 091763 1" 1.0000 1/2" 3" 6" 091764 1 - 1/64" 1.0156 1/2" 3" 6" 091765 1 - 1/32" 1.0312 1/2" 3" 6" 091766 1 - 1/16" 1.0625 1/2" 3" 6" 091768 1 - 1/8" 1.1250 1/2" 3" 6" 091772 1 - 3/16" 1.1875 1/2" 3" 6" 091776 1 - 1/4" 1.2500 1/2" 3" 6" 091780 1 - 5/16" 1.3125 1/2" 3" 6" 091784 1 - 3/8" 1.3750 1/2" 3" 6" 091788 1 - 1/2" 1.5000 1/2" 3" 6" 091796
