Jobber - ThunderBit - Letter Sizes

Triumph ThunderBit heavy duty drill bits are made from premium grade high speed steel to endure high heat and pressure. Finished in black and bronze oxide to resist scratching and corrosion. 135 degree split point avoids walking or scarring on the surface of products. Unique spiral flute design improves chip ejection and coolant flow to the point. Letter Sizes from A-Z.

ThunderBit® High Performance drills are made from industrial grade steel. Unique spiral flute design improves chip ejection and coolant flow to the point.
Point:	135° Split Point
Material:	Premium Grade High Speed Steel
Coating/Finish:	Black and Bronze Oxide
Other:	Heavy-Duty Construction

Size	Decimal Equivalent	Flute Length	Overall Length	Pkg Qty	Part #
A	0.234	2-5/8	3-7/8	12	012701
B	0.238	2-3/4	4	12	012702
C	0.242	2-3/4	4	12	012703
D	0.246	2-3/4	4	12	012704
E	0.25	2-3/4	4	12	012705
F	0.257	2-7/8	4-1/8	12	012706
G	0.261	2-7/8	4-1/8	12	012707
H	0.266	2-7/8	4-1/8	12	012708
I	0.272	2-7/8	4-1/8	12	012709
J	0.277	2-7/8	4-1/8	12	012710
K	0.281	2-15/16	4-1/4	12	012711
L	0.29	2-15/16	4-1/4	12	012712
M	0.295	3-1/16	4-3/8	12	012713
N	0.302	3-1/16	4-3/8	12	012714
O	0.316	3-3/16	4-1/2	6	012715
P	0.323	3-5/16	4-5/8	6	012716
Q	0.332	3-7/16	4-3/4	6	012717
R	0.339	3-7/16	4-3/4	6	012718
S	0.348	3-1/2	4-7/8	6	012719
T	0.358	3-1/2	4-7/8	6	012720
U	0.368	3-5/8	5	6	012721
V	0.377	3-5/8	5	6	012722
W	0.386	3-3/4	5-1/8	6	012723
X	0.397	3-3/4	5-1/8	6	012724
Y	0.404	3-7/8	5-1/4	6	012725
Z	0.413	3-7/8	5-1/4	6	012726