Cobalt Drill Bits
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Cobalt Drill Bits |
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Made in the USA |
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National Aerospace Standard 907, Type J Cobalt Jobbers Length Bits
Made to NAS 907 Type J specifications, these cobalt
jobbers length drills are used for drilling in tough, high tensile
strength materials like stainless steels, titanium and inconel. They are made of 8% cobalt high speed steel, with heavy
duty flute construction and 135° split point.
Fractional Sizes
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Size |
Hole Diameter |
Overall Length |
P/N |
Price Each |
| 1/16" | 0.0625" | 1-7/8" | D-1/16 | $1.22 |
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| 5/64" | 0.0781" | 2" | D-5/64 | $1.20 |
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| 3/32" | 0.0938" | 2-1/4" | D-3/32 | $1.20 |
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| 7/64" | 0.1094" | 2-5/8" | D-7/64 | $1.34 |
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| 1/8" | 0.1250" | 2-3/4" | D-1/8 | $1.58 |
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| 9/64" | 0.1406" | 2-7/8" | D-9/64 | $1.64 |
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| 5/32" | 0.1562" | 3-1/8" | D-5/32 | $1.80 |
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| 11/64" | 0.1719" | 3-1/4" | D-11/64 | $1.96 |
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| 3/16" | 0.1875" | 3-1/2" | D-3/16 | $2.18 |
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| 13/64" | 0.2031" | 3-5/8" | D-13/64 | $2.58 |
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| 7/32" | 0.2188" | 3-3/4" | D-7/32 | $2.76 |
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| 15/64" | 0.2344" | 3-7/8" | D-15/64 | $2.98 |
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| 1/4" | 0.2500" | 4" | D-1/4 | $3.10 |
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| 17/64" | 0.2656" | 4-1/8" | D-17/64 | $3.70 |
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| 9/32" | 0.2812" | 4-1/4" | D-9/32 | $3.88 |
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| 19/64" | 0.2969" | 4-3/8" | D-19/64 | $4.64 |
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| 5/16" | 0.3125" | 4-1/2" | D-5/16 | $4.96 |
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| 21/64" | 0.3281" | 4-5/8" | D-21/64 | $5.42 |
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| 11/32" | 0.3438" | 4-3/4" | D-11/32 | $5.94 |
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| 23/64" | 0.3594" | 4-7/8" | D-23/64 | $7.04 |
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| 3/8" | 0.3750" | 5" | D-3/8 | $7.12 |
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| 25/64" | 0.3906" | 5-1/8" | D-25/64 | $8.16 |
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| 13/32" | 0.4062" | 5-1/4" | D-13/32 | $8.52 |
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| 27/64" | 0.4219" | 5-3/8" | D-27/64 | $9.38 |
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| 7/16" | 0.4375" | 5-1/2" | D-7/16 | $9.60 |
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| 29/64" | 0.4531" | 5-5/8" | D-29/64 | $11.50 |
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| 15/32" | 0.4688" | 5-3/4" | D-15/32 | $11.70 |
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| 31/64" | 0.4844" | 5-7/8" | D-31/64 | $12.74 |
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| 1/2" | 0.5000" | 6" | D-1/2 | $12.06 |
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Wire Sizes
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Size |
Hole Diameter |
Overall Length |
P/N |
Price Each |
| #60 | 0.0400" | 1-5/8" | D-60 | $1.52 |
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| #59 | 0.0410" | 1-5/8" | D-59 | $1.70 |
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| #58 | 0.0420" | 1-5/8" | D-58 | $1.66 |
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| #57 | 0.0430" | 1-3/4" | D-57 | $1.52 |
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| #56 | 0.0465" | 1-3/4" | D-56 | $1.52 |
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| #55 | 0.0520" | 1-7/8" | D-55 | $1.34 |
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| #54 | 0.0550" | 1-7/8" | D-54 | $1.34 |
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| #53 | 0.0595" | 1-7/8" | D-53 | $1.34 |
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| #52 | 0.0635" | 1-7/8" | D-52 | $1.22 |
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| #51 | 0.0670" | 2" | D-51 | $1.22 |
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| #50 | 0.0700" | 2" | D-50 | $1.22 |
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| #49 | 0.0730" | 2" | D-49 | $1.22 |
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| #48 | 0.0760" | 2" | D-48 | $1.22 |
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| #47 | 0.0785" | 2" | D-47 | $1.22 |
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| #46 | 0.0810" | 2-1/8" | D-46 | $1.22 |
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| #45 | 0.0820" | 2-1/8" | D-45 | $1.22 |
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| #44 | 0.0860" | 2-1/8" | D-44 | $1.22 |
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| #43 | 0.0890" | 2-1/4" | D-43 | $1.22 |
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| #42 | 0.0935" | 2-1/4" | D-42 | $1.22 |
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| #41 | 0.0960" | 2-3/8" | D-41 | $1.24 |
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| #40 | 0.0980" | 2-3/8" | D-40 | $1.28 |
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| #39 | 0.0995" | 2-3/8" | D-39 | $1.28 |
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| #38 | 0.1015" | 2-1/2" | D-38 | $1.24 |
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| #37 | 0.1040" | 2-1/2" | D-37 | $1.42 |
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| #36 | 0.1065" | 2-1/2" | D-36 | $1.34 |
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| #35 | 0.1100" | 2-5/8" | D-35 | $1.42 |
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| #34 | 0.1110" | 2-5/8" | D-34 | $1.42 |
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| #33 | 0.1130" | 2-5/8" | D-33 | $1.42 |
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| #32 | 0.1160" | 2-3/4" | D-32 | $1.46 |
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| #31 | 0.1200" | 2-3/4" | D-31 | $1.48 |
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| #30 | 0.1285" | 2-3/4" | D-30 | $1.48 |
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| #29 | 0.1360" | 2-7/8" | D-29 | $1.58 |
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| #28 | 0.1405" | 2-7/8" | D-28 | $1.64 |
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| #27 | 0.1440" | 3" | D-27 | $1.72 |
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| #26 | 0.1470" | 3" | D-26 | $1.72 |
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| #25 | 0.1495" | 3" | D-25 | $1.74 |
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| #24 | 0.1520" | 3-1/8" | D-24 | $1.96 |
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| #23 | 0.1540" | 3-1/8" | D-23 | $1.92 |
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| #22 | 0.1570" | 3-1/8" | D-22 | $1.92 |
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| #21 | 0.1590" | 3-1/4" | D-21 | $1.76 |
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| #20 | 0.1610" | 3-1/4" | D-20 | $1.84 |
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| #19 | 0.1660" | 3-1/4" | D-19 | $1.92 |
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| #18 | 0.1695" | 3-1/4" | D-18 | $1.98 |
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| #17 | 0.1730" | 3-3/8" | D-17 | $2.16 |
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| #16 | 0.1770" | 3-3/8" | D-16 | $2.22 |
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| #15 | 0.1800" | 3-3/8" | D-15 | $2.32 |
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| #14 | 0.1820" | 3-3/8" | D-14 | $2.32 |
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| #13 | 0.1850" | 3-1/2" | D-13 | $2.32 |
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| #12 | 0.1890" | 3-1/2" | D-12 | $2.44 |
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| #11 | 0.1910" | 3-1/2" | D-11 | $2.44 |
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| #10 | 0.1935" | 3-5/8" | D-10 | $2.44 |
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| #9 | 0.1960" | 3-5/8" | D-9 | $2.44 |
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| #8 | 0.1990" | 3-5/8" | D-8 | $2.44 |
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| #7 | 0.2010" | 3-5/8" | D-7 | $2.44 |
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| #6 | 0.2040" | 3-3/4" | D-6 | $3.18 |
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| #5 | 0.2055" | 3-3/4" | D-5 | $3.18 |
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| #4 | 0.2090" | 3-3/4" | D-4 | $3.18 |
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| #3 | 0.2130" | 3-3/4" | D-3 | $3.18 |
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| #2 | 0.2210" | 3-7/8" | D-2 | $3.38 |
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| #1 | 0.2280" | 3-7/8" | D-1 | $3.38 |
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Letter Sizes
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Size |
Hole Diameter |
Overall Length |
P/N |
Price Each |
| A | 0.234" | 3-7/8" | D-A | $3.26 |
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| B | 0.238" | 4" | D-B | $3.44 |
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| C | 0.242" | 4" | D-C | $3.44 |
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| D | 0.246" | 4" | D-D | $3.44 |
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| E | 0.250" | 4" | D-E | $3.10 |
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| F | 0.257" | 4-1/8" | D-F | $3.76 |
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| G | 0.261" | 4-1/8" | D-G | $3.76 |
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| H | 0.266" | 4-1/8" | D-H | $4.20 |
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| I | 0.272" | 4-1/8" | D-I | $4.20 |
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| J | 0.277" | 4-1/8" | D-J | $4.20 |
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| K | 0.281" | 4-1/4" | D-K | $4.70 |
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| L | 0.290" | 4-1/4" | D-L | $4.70 |
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| M | 0.295" | 4-3/8" | D-M | $5.06 |
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| N | 0.302" | 4-3/8" | D-N | $5.08 |
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| O | 0.316" | 4-1/2" | D-O | $5.62 |
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| P | 0.323" | 4-5/8" | D-P | $5.98 |
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| Q | 0.332" | 4-3/4" | D-Q | $6.06 |
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| R | 0.339" | 4-3/4" | D-R | $6.08 |
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| S | 0.348" | 4-7/8" | D-S | $7.58 |
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| T | 0.358" | 4-7/8" | D-T | $7.58 |
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| U | 0.368" | 5" | D-U | $7.58 |
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| V | 0.377" | 5" | D-V | $8.68 |
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| W | 0.386" | 5-1/8" | D-W | $8.68 |
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| X | 0.395" | 5-1/8" | D-X | $8.68 |
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| Y | 0.404" | 5-1/4" | D-Y | $8.68 |
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| Z | 0.413" | 5-1/4" | D-Z | $10.06 |
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