Viking Drill & Tool

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Viking Drill & Tool Super Premium Ultra Bor Mechanic Length Type 258-UB: 3-Flats on Shank - 3/8" Reduced Shank

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  • Special Hi-Molybdenum tool steel.
  • 135° split point for fast penetration and accurate starting without center punch.
  • Precision-ground point, flutes, body, clearance, and drill diameter for the ultimate in accuracy and performance.
  • Body and clearance are gold surface treated for maximum lubricity.
  • Heat treated at 2185°F and then nitro-carburize finished at 950°F to be measurably harder than high-speed steel.
  • Space age nitro-carburized steel withstands substantially higher drilling temperatures while maintaining sharpness.
  • Recommended for use in work hardening grades of stainless steel and other hard metal drilling applications.
  • Specially designed for hand-held drills.
  • Flats on shank give positive chuck-grip (3/16 and larger).
  • Reduced shank with flats for positive chuck grip.
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Item # Images ManufacturerDiameterFluteOverall LengthUnit PricePack Quantity Price Add To Cart
Compare 81560
0
Viking Drill & Tool13/32 in2 13/16 in flute length4 3/8 in$15.52Sold in Pack of 6 $93.12 Add to cart
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1
Viking Drill & Tool27/64 in2 7/8 in flute length4 7/16 in$16.44Sold in Pack of 6 $98.64 Add to cart
Compare 81580
2
Viking Drill & Tool7/16 in2 15/16 in flute length4 1/2 in$16.88Sold in Pack of 6 $101.28 Add to cart
Compare 81590
3
Viking Drill & Tool29/64 in3 in flute length4 5/8 in$18.59Sold in Pack of 6 $111.54 Add to cart
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4
Viking Drill & Tool15/32 in3 1/8 in flute length4 3/4 in$19.48Sold in Pack of 6 $116.88 Add to cart
Compare 81610
5
Viking Drill & Tool31/64 in3 1/4 in flute length4 7/8 in$20.52Sold in Pack of 6 $123.12 Add to cart
Compare 81620
6
Viking Drill & Tool1/2 in3 3/8 in flute length5 in$20.73Sold in Pack of 6 $124.38 Add to cart