Cryo-Gen "N" Drill Bits
152 results
Super Primalloy® Cryo-Gen N™ Drill Bit Sets
Treated cryogenically and nitrided for extended service life, these bits have a 135° split point and are 15% shorter than jobber. A dark‑gold finish improves lubricity, while flatted shanks (≥ 3/16") prevent chuck spin. Perfect for MRO tasks needing robust bits in tough metals. Proudly made in the USA.
| Drill Size | Index | Material | Finish | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/16" - 1/2"
|
3 Drawer Cabinet
|
M Series Alloy
|
Nitride
|
56
|
1
|
827502
|
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|
|
1/16" - 1/2"
|
29 Pc HD Index
|
M Series Alloy
|
Nitride
|
29
|
1
|
827499
|
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|
|
1/16" - 1/2"
|
29 Pc Metal Index
|
M Series Alloy
|
Nitride
|
29
|
1
|
827500
|
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|
|
1/16" - 1/2"
|
29 Pc Ultra Index
|
M Series Alloy
|
Nitride
|
29
|
1
|
827501
|
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|
|
1/16" - 1/2"
|
Refill
|
M Series Alloy
|
Nitride
|
56
|
1
|
827502RE
|
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|
Super Primalloy® Cryo-Gen N™ Maintenance Length Drill Bits
Enhanced by a multi‑phase cryogenic treatment down to ‑300 °F, these bits refine grain structure for less brittleness. The “N” series nitride hardening boosts edge retention, and a 135° split point eliminates the need for center punching. Maintenance length adds rigidity in tight spaces. Ideal for high‑tensile steels, they’re built with tough M series alloy.
| Diameter | Overall Length | Flute Length | Material | Finish | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/16"
|
1-7/8"
|
7/8"
|
M Series Alloy
|
Nitride
|
1
|
827504
|
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|
|
1/16"
|
1-7/8"
|
7/8"
|
M Series Alloy
|
Nitride
|
3
|
8275041
|
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|
|
5/64"
|
2"
|
1"
|
M Series Alloy
|
Nitride
|
1
|
827505
|
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|
|
5/64"
|
2"
|
1"
|
M Series Alloy
|
Nitride
|
3
|
8275051
|
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|
|
3/32"
|
2-1/4"
|
1-1/4"
|
M Series Alloy
|
Nitride
|
1
|
827506
|
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|
|
3/32"
|
2-1/4"
|
1-1/4"
|
M Series Alloy
|
Nitride
|
3
|
8275061
|
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|
|
7/64"
|
2-3/8"
|
1-5/16"
|
M Series Alloy
|
Nitride
|
1
|
827507
|
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|
|
7/64"
|
2-3/8"
|
1-5/16"
|
M Series Alloy
|
Nitride
|
3
|
8275071
|
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|
|
1/8"
|
2-1/2"
|
1-7/16"
|
M Series Alloy
|
Nitride
|
1
|
827508
|
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|
|
1/8"
|
2-1/2"
|
1-7/16"
|
M Series Alloy
|
Nitride
|
3
|
8275081
|
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|
|
9/64"
|
2-5/8"
|
1-9/16"
|
M Series Alloy
|
Nitride
|
1
|
827509
|
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|
|
9/64"
|
2-5/8"
|
1-9/16"
|
M Series Alloy
|
Nitride
|
3
|
8275091
|
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|
Super Primalloy® Cryo-Gen N™ Maintenance Length Wire Drill Bits
For precise wire‑size holes, these Cryo‑Gen N™ bits use a ‑300 °F cryogenic process to reduce brittleness. An “N” series nitride finish boosts edge retention, while a 135° split point speeds starts in high‑tensile metals. The shorter length resists breakage, and flats on the shank prevent slipping. Constructed from M series alloy, they’re ideal for tight spaces and fine detail work.
| Diameter | Overall Length | Flute Length | Material | Finish | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
No. 1
|
3-7/8"
|
2-5/8"
|
M Series Alloy
|
Nitride
|
1
|
826901
|
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|
|
No. 2
|
3-7/8"
|
2-5/8"
|
M Series Alloy
|
Nitride
|
1
|
826902
|
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|
|
No. 3
|
3-3/4"
|
2-1/2"
|
M Series Alloy
|
Nitride
|
1
|
826903
|
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|
|
No. 4
|
3-3/4"
|
2-1/2"
|
M Series Alloy
|
Nitride
|
1
|
826904
|
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|
|
No. 5
|
3-3/4"
|
2-1/2"
|
M Series Alloy
|
Nitride
|
1
|
826905
|
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|
|
No. 6
|
3-3/4"
|
2-1/2"
|
M Series Alloy
|
Nitride
|
1
|
826906
|
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|
|
No. 7
|
3-5/8"
|
2-7/16"
|
M Series Alloy
|
Nitride
|
1
|
826907
|
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|
|
No. 8
|
3-5/8"
|
2-7/16"
|
M Series Alloy
|
Nitride
|
1
|
826908
|
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|
|
No. 9
|
3-5/8"
|
2-7/16"
|
M Series Alloy
|
Nitride
|
1
|
826909
|
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|
|
No. 10
|
3-5/8"
|
2-7/16"
|
M Series Alloy
|
Nitride
|
1
|
826910
|
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|
|
No. 11
|
3-1/2"
|
2-5/16"
|
M Series Alloy
|
Nitride
|
1
|
826911
|
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|
|
No. 12
|
3-1/2"
|
2-5/16"
|
M Series Alloy
|
Nitride
|
1
|
826912
|
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|
157 Piece Super Primalloy® Cryo-Gen "N" Master Drill Bit Set
A comprehensive set featuring cryogenic and nitride treatments. A 135° split point quickly penetrates tough alloys, while the dark‑gold surface adds lubricity. Flatted shanks (≥ 3/16") prevent spin. The M‑series alloy stands up to high heat and stress. Ideal for shops that need a wide range of sizes. Made in the USA.
| Drill Size | Index | Material | Finish | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
1/16" - 1/2", #1 - #60, A - Z
|
4 Drawer Cabinet
|
M Series Alloy
|
Nitride
|
157
|
1
|
827498
|
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|
Super Primalloy® Cryo-Gen N™ Letter Drill Bit Set
These letter‑size bits feature Cryo‑Gen “N” treatment with a 135° split point, ensuring easy starts in tough alloys. The dark‑gold surface lowers friction, while the M‑series steel plus nitride boost edge retention. Flatted shanks prevent spin in the chuck. Perfect for letter‑specific machining tasks. Made in the USA for reliability.
| Drill Size | Index | Material | Finish | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
A - Z
|
26 Pc Metal Index
|
M Series Alloy
|
Nitride
|
26
|
1
|
826476
|
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|
Super Primalloy® Cryo-Gen N™ Wire Drill Set
Wire‑gauge sized bits with cryogenic and nitride treatments. A 135° split point ensures smooth starts, while the short length adds rigidity. The M‑series alloy plus dark‑gold surface runs cooler. Flatted shanks (≥ 3/16") stop slipping. Perfect for precise, small‑diameter holes in tough metals. Made in the USA.
| Drill Size | Index | Material | Finish | Number of Pieces | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
No. 1 - 60
|
60 Pc Metal Index
|
M Series Alloy
|
Nitride
|
60
|
1
|
826961
|
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|
Super Primalloy® Cryo-Gen N Industrial Length Letter Drill Bits
Super Primalloy® construction ensures heavy duty performance. Features include MULTI-PHASE CRYOGENIC TREATMENT for enhanced durability, "N" SERIES NITRIDE TREATMENT for superior edge retention, and a SUPER HEAVY DUTY 135° SPLIT POINT for easy penetration. High lubricity surface treatment and modified flute design provide increased strength. MADE IN THE U.S.A.
| Diameter | Overall Length | Flute Length | Material | Finish | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
|
A
|
3-7/8"
|
2-5/8"
|
M Series Alloy
|
Nitride
|
1
|
826450
|
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|
|
B
|
4"
|
2-3/4"
|
M Series Alloy
|
Nitride
|
1
|
826451
|
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|
|
C
|
4"
|
2-3/4"
|
M Series Alloy
|
Nitride
|
1
|
826452
|
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|
|
D
|
4"
|
2-3/4"
|
M Series Alloy
|
Nitride
|
1
|
826453
|
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|
|
E
|
4"
|
2-3/4"
|
M Series Alloy
|
Nitride
|
1
|
826454
|
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|
|
F
|
4-1/8"
|
2-7/8"
|
M Series Alloy
|
Nitride
|
1
|
826455
|
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|
|
G
|
4-1/8"
|
2-7/8"
|
M Series Alloy
|
Nitride
|
1
|
826456
|
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|
|
H
|
4-1/8"
|
2-7/8"
|
M Series Alloy
|
Nitride
|
1
|
826457
|
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|
|
I
|
4-1/8"
|
2-7/8"
|
M Series Alloy
|
Nitride
|
1
|
826458
|
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|
|
J
|
4-1/8"
|
2-7/8"
|
M Series Alloy
|
Nitride
|
1
|
826459
|
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|
|
K
|
4-1/4"
|
2-15/16"
|
M Series Alloy
|
Nitride
|
1
|
826460
|
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|
|
L
|
4-1/4"
|
2-15/16"
|
M Series Alloy
|
Nitride
|
1
|
826461
|
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|
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