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Reduced Shank - .5" ThunderBit

Triumph ThunderBit high performance drills are made from premium high speed steel, which performs even under high heat.  Their heavy duty construction means longer tool life and better cutting edge.  Unique spiral flute design improves chip ejection and coolant flow to the point. 1/2 inch Shank with 118 degree split point to avoid walking and scarring your projects. There are 3 flats on the shank.

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Triumph Twist Drill Silver and Demming ThunderBit

  

ThunderBit® High Performance drills are made from industrial grade steel.

Unique spiral flute design improves chip ejection and coolant flow to the point.
Point: 118° Split Point Point, 1/2” Shank
Material: Premium Grade High Speed Steel
Coating/Finish: Black and Bronze Oxide
Other: Silver & Deming, High Performance,
3 Flats on Shank

 

SizeDecimal EquivalentFlute LengthOverall LengthPkg QtyPart #
33/64 0.5156 3 6 1 094133
17/32 0.5312 3 6 1 094134
35/64 0.5469 3 6 1 094135
9/16 0.5625 3 6 1 094136
37/64 0.5781 3 6 1 094137
19/32 0.5938 3 6 1 094138
39/64 0.6094 3 6 1 094139
5/8 0.625 3 6 1 094140
41/64 0.6406 3 6 1 094141
21/32 0.6562 3 6 1 094142
43/64 0.6719 3 6 1 094143
11/16 0.6875 3 6 1 094144
45/64 0.7031 3 6 1 094145
23/32 0.7188 3 6 1 094146
47/64 0.7344 3 6 1 094147
3/4 0.75 3 6 1 094148
49/64 0.7656 3 6 1 094149
25/32 0.7812 3 6 1 094150
51/64 0.7969 3 6 1 094151
13/16 0.8125 3 6 1 094152
53/64 0.8281 3 6 1 094153
27/32 0.8438 3 6 1 094154
55/64 0.8594 3 6 1 094155
7/8 0.875 3 6 1 094156
57/64 0.8906 3 6 1 094157
29/32 0.9062 3 6 1 094158
59/64 0.9219 3 6 1 094159
15/16 0.9375 3 6 1 094160
61/64 0.9531 3 6 1 094161
31/32 0.9688 3 6 1 094162
63/64 0.9844 3 6 1 094163
1" 1 3 6 1 094164
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