Viking Drill & Tool Super Premium Ultra Bor Type 240-UB Jobber Length Drills: Fractional

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Ultra Bor Super Premium – 135° split point for fast penetration and accurate starting without a 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—low temperature stress relief improves lubricity and toughness.

Manufactured to NAS 907B specification from Premium Hi-Molybdenum Steel.

Drills are 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. Sizes smaller than #52 have non-split points.

Ultra Bor will substantially outperform cobalt drills in work hardening stainless steel and other tough drilling applications.

Item # DiameterFluteOverall LengthManufacturerUnit PricePack Quantity Price Add To Cart
Compare 05600 3/32 in1 1/4 in flute length2 1/4 inViking Drill & Tool$1.5612 $18.72 Add to cart
Compare 05700 1/4 in2 3/4 in flute length4 inViking Drill & Tool$3.3412 $40.08 Add to cart
Compare 05730 19/64 in3 1/16 in flute length4 3/8 inViking Drill & Tool$4.946 $29.64 Add to cart
Compare 05800 13/32 in3 7/8 in flute length5 1/4 inViking Drill & Tool$8.626 $51.72 Add to cart
Compare 05810 27/64 in3 15/16 in flute length5 3/8 inViking Drill & Tool$9.066 $54.36 Add to cart
Compare 05820 7/16 in4 1/16 in flute length5 1/2 inViking Drill & Tool$10.066 $60.36 Add to cart
Compare 05860 1/2 in4 1/2 in flute length6 inViking Drill & Tool$12.706 $76.20 Add to cart
Compare 22210 33/64 in4 13/16 in flute length6 5/8 inViking Drill & Tool1 $23.36 Add to cart
Compare 22230 35/64 in4 13/16 in flute length6 5/8 inViking Drill & Tool1 $26.44 Add to cart
Compare 22240 9/16 in4 13/16 in flute length6 5/8 inViking Drill & Tool1 $27.70 Add to cart
Compare 22250 37/64 in4 13/16 in flute length6 5/8 inViking Drill & Tool1 $27.80 Add to cart
Compare 22260 19/32 in5 3/16 in flute length7 1/8 inViking Drill & Tool1 $28.54 Add to cart
Compare 22270 39/64 in5 3/16 in flute length7 1/8 inViking Drill & Tool1 $31.32 Add to cart
Compare 22280 5/8 in5 3/16 in flute length7 1/8 inViking Drill & Tool1 $30.60 Add to cart
Compare 22290 41/64 in5 3/16 in flute length7 1/8 inViking Drill & Tool1 $33.50 Add to cart
Compare 22300 21/32 in5 3/16 in flute length7 1/8 inViking Drill & Tool1 $32.10 Add to cart
Compare 22310 43/64 in5 5/8 in flute length7 5/8 inViking Drill & Tool1 $35.04 Add to cart
Compare 22320 11/16 in5 5/8 in flute length7 5/8 inViking Drill & Tool1 $33.36 Add to cart
Compare 22330 45/64 in5 5/8 in flute length7 5/8 inViking Drill & Tool1 $37.12 Add to cart
Compare 22340 23/32 in5 5/8 in flute length7 5/8 inViking Drill & Tool1 $35.34 Add to cart
Compare 22350 47/64 in5 5/8 in flute length7 5/8 inViking Drill & Tool1 $38.68 Add to cart
Compare 22360 3/4 in5 5/8 in flute length7 3/8 inViking Drill & Tool1 $36.82 Add to cart
Compare 05750 21/64 in3 5/16 in flute length4 5/8 inViking Drill & Tool$5.646 $33.84 Add to cart
Compare 22220 17/32 in4 13/16 in flute length6 5/8 inViking Drill & Tool1 $24.44 Add to cart