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Alfa Tools Blitz-Storm Mechanics Length Drill Bits feature step point geometry and radial chip thinning to enlarge holes without damaging the point. They are made of M-2 high speed steel with a black and gold surface treatment to increase lubricity and reduce friction, and a low thrust design self-centering 135° split point. These drill bits are mechanics length with 3 flats on shank sizes 3/16" to 1/2" to prevent slipping in the drill chuck, while the 25/64" to 1/2" bits have reduced shanks with flats. Can be used for hand and machine drilling steels, cast iron, stainless steel, sheet metal and other non-ferrous materials. Made in the USA.
| PART # | SIZE | DECIMAL EQUIV. | FLUTE LENGTH | OVERALL LENGTH |
|---|---|---|---|---|
| BMLS10101 | 1/16" | 0.0625 | 7/8" | 1-7/8" |
| BMLS10102 | 5/64" | 0.0781 | 1" | 2" |
| BMLS10103 | 3/32" | 0.0938 | 1-1/4" | 2-1/4" |
| BMLS10104 | 7/64" | 0.1094 | 1-5/16" | 2-3/8" |
| BMLS10105 | 1/8" | 0.125 | 1-7/16" | 2-1/2" |
| BMLS10106 | 9/64" | 0.1406 | 1-9/16" | 2-5/8" |
| BMLS10107 | 5/32" | 0.1562 | 1-11/16" | 2-3/4" |
| BMLS10108 | 11/64" | 0.1719 | 1-13/16" | 2-7/8" |
| BMLS10109 | 3/16" | 0.1875 | 1-7/8" | 3" |
| BMLS10110 | 13/64" | 0.2031 | 1-15/16" | 3-1/8" |
| BMLS10111 | 7/32" | 0.2188 | 2" | 3-1/4" |
| BMLS10112 | 15/64" | 0.2344 | 2-1/16" | 3-3/8" |
| BMLS10113 | 1/4" | 0.25 | 2" | 3-1/2" |
| BMLS10114 | 17/64" | 0.2656 | 2-1/8" | 3-5/8" |
| BMLS10115 | 9/32" | 0.2812 | 2-1/4" | 3-3/4" |
| BMLS10116 | 19/64" | 0.2969 | 2-3/8" | 3-7/8" |
| BMLS10117 | 5/16" | 0.3125 | 2-1/2" | 4" |
| BMLS10118 | 21/64" | 0.3281 | 2-9/16" | 4-1/16" |
| BMLS10119 | 11/32" | 0.3438 | 2-5/8" | 4-1/8" |
| BMLS10120 | 23/64" | 0.3594 | 2-11/16" | 4-3/16" |
| BMLS10121 | 3/8" | 0.375 | 2-11/16" | 4-1/8" |
| BMLS10122 | 25/64" | 0.3906 | 2-3/4" | 4-5/16" |
| BMLS10123 | 13/32" | 0.4062 | 2-13/16" | 4-3/8" |
| BMLS10124 | 27/64" | 0.4219 | 2-7/8" | 4-7/16" |
| BMLS10125 | 7/16" | 0.4375 | 2-15/16" | 4-1/2" |
| BMLS10126 | 29/64" | 0.4531 | 3" | 4-5/8" |
| BMLS10127 | 15/32" | 0.4688 | 3-1/8" | 4-3/4" |
| BMLS10128 | 31/64" | 0.4844 | 3-1/4" | 4-7/8" |
| BMLS10129 | 1/2" | 0.5 | 3-3/8" | 5" |
