Norseman Drill Bits Jobber Length Magnum Super Premium - Letter

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Product Overview

Norseman Jobber Length Drill Bits

Letter Size

Ideal For: Metals, Plastic, Wood

- Nitro-carburized flute for substantially longer cutting life
- Special hi-molybdenum tool steel material with a gold oxide finish
- NAS 907B heavy duty 135º split point
- Ability to drill through material over 30 on the Rockwell "C" scale
- Designed to run cooler, stop drill walking, and hold tighter hole sizes

Please visit our Drill Bit Conversion Chart for helpful information.



Letter Size Overall Length Flute Length
A 3-7/8" 2-5/8"
B 4" 2-3/4"
C 4" 2-3/4"
D 4" 2-3/4"
E 4" 2-3/4"
F 4-1/8" 2-7/8"
G 4-1/8" 2-7/8"
H 4-1/8" 2-7/8"
I 4-1/8" 2-7/8"
J 4-1/8" 2-7/8"
K 4-1/4" 2-15/16"
L 4-1/4" 2-15/16"
M 4-3/8" 3-1/16"
N 4-3/8" 3-1/16"
O 4-1/2" 3-3/16"
P 4-5/8" 3-5/16"
Q 4-3/4" 3-7/16"
R 4-3/4" 3-7/16"
S 4-7/8" 3-1/2"
T 4-7/8" 3-1/2"
U 5" 3-5/8"
V 5" 3-5/8"
W 5-1/8" 3-3/4"
X 5-1/8" 3-3/4"
Y 5-1/4" 3-7/8"
Z 5-1/4" 3-7/8"


Free Shipping*

Free standard shipping on most hardware item purchases of $99.99 or more. Some exclusions apply.

This offer is not valid on prior purchases. Certain items containing weight and/or size shipping restrictions may require additional freight charges; these items will be identified in their product descriptions. Coremark Metals reserves the right to change or end this offer at any time. Additional exclusions include shipping to Alaska, Hawaii, international destinations, metal items, and processing services. Free shipping options will be reflected during the checkout process.
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