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 Style 121 Three Flute Twist, Jobber Length Drill

Style 121
Submicron grade provides maximum wear resistance and increased penetration rates in short chipping materials. Ideal for cutting cast and ductile iron. 30° helix, 150° web thinned 4 facet point.
Cutting Æ - 3/32" (2.383mm) to 1/2" (12.7mm)

 

EDP Number Cutting Diameter Ø Decimal Equiv. Overall Length Flute Length
Wire (mm) Inch Inch Inch
12100938   3/32 2.383 .0938 2 1
12100984 2.5 .0984 2 1
12101094   7/64 2.778 .1094 2-1/4 1-1/4
12101250   1/8 3.175 .1250 2-1/4 1-1/4
12101378 3.5 .1378 2-1/2 1-3/8
12101406   9/64 3.571 .1406 2-1/2 1-3/8
12101562   5/32 3.967 .1562 2-1/2 1-3/8
12101575 4. .1575 2-1/2 1-3/8
12101719  11/64 4.366 .1719 2-3/4 1-5/8
12101772 4.5 .1772 2-3/4 1-5/8
12101875   3/16 4.763 .1875 2-3/4 1-5/8
12101969 5. .1969 3 1-3/4
12102031  13/64 5.159 .2031 3 1-3/4
12102165 5.5 .2165 3 1-3/4
12102188   7/32 5.558 .2188 3 1-3/4
12102344  15/64 5.954 .2344 3-1/4 2
12102362 6. .2362 3-1/4 2
12102500   1/4 6.35 .2500 3-1/4 2
12102559 6.5 .2559 3-1/4 2
12102656  17/64 6.746 .2656 3-1/2 2-1/8
12102756 7. .2756 3-1/2 2-1/8
12102812   9/32 7.142 .2812 3-1/2 2-1/8
12102953 7.5 .2953 3-3/4 2-3/8
12102969  19/64 7.541 .2969 3-3/4 2-3/8
12103125   5/16 7.938 .3125 3-3/4 2-3/8
12103150 8. .3150 3-3/4 2-3/8
12103281  21/64 8.334 .3281 4 2-1/2
12103346 8.5 .3346 4 2-1/2
12103438  11/32 8.733 .3438 4 2-1/2
12103543 9. .3543 4 2-1/2
12103594  23/64 9.129 .3594 4-1/4 2-7/8
12103740 9.5 .3740 4 2-1/2
12103750   3/8 9.525 .3750 4-1/4 2-7/8
12103906  25/64 9.921 .3906 4-1/2 2-7/8
12103937 10. .3937 4-1/2 2-7/8
12104062  13/32 10.317 .4062 4-1/2 2-7/8
12104134 10.5 .4134 4-1/2 2-7/8
12104219  27/64 10.716 .4219 4-1/2 2-7/8
12104331 11. .4331 4-1/2 2-7/8
12104375   7/16 11.113 .4375 4-1/2 2-7/8
12104528 11.5 .4528 4-1/2 2-7/8
12104531  29/64 11.509 .4531 4-3/4 3
12104688  15/32 11.908 .4688 4-3/4 3
12104724 12. .4724 4-3/4 3
12104844  31/64 12.304 .4844 4-3/4 3
12104921 12.5 .4921 4-3/4 3
12105000   1/2 12.7 .5000 4-3/4 3

 

 
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Last Updated on 09/08/02
By Bob Novak Media Development
Copyright Ó1999 CJT KOOLCARB Inc.