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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 2-1/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (SKU 52NV56) is a 9/64" cobalt threaded-shank drill bit with a 1/4"-28 thread size and a 0.1406-inch diameter. It features a 2-1/8" overall length, black oxide…

SKU 3G-OTH-195675

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 9/64", 2-1/8" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO9/64LS
Type
Black Oxide Cobalt
Overall Lg
2-1/8"
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ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (SKU 52NV56) is a 9/64" cobalt threaded-shank drill bit with a 1/4"-28 thread size and a 0.1406-inch diameter. It features a 2-1/8" overall length, black oxide finish, and meets NAS 965 Type D specifications.

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit used for?

This 9/64" cobalt drill bit is designed for precision drilling in aerospace and industrial applications where a threaded shank (1/4"-28) is required for secure mounting in tool holders. It meets NAS 965 Type D specifications for high-strength materials.

What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?

The bit has a 9/64" (0.1406") diameter, 2-1/8" overall length, 1/4"-28 threaded shank, black oxide cobalt finish, and meets NAS 965 Type D. The manufacturer part number is 953CO9/64LS from ROCKY MOUNTAIN TWIST.

Where to buy the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit worldwide?

3G Electric supplies this ROCKY MOUNTAIN TWIST drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?

Select based on required hole diameter (9/64"), thread size (1/4"-28), and material compatibility. Cobalt bits suit hardened steels. Verify overall length (2-1/8") fits your tool holder. For NAS 965 compliance, confirm Type D geometry matches your application.

Used in

Common applications for ROCKY MOUNTAIN TWIST
Aerospace assembly — Rocky Mountain Twist NAS 965 Type D cobalt drill bits for drilling titanium airframe components
Automotive production line — Rocky Mountain Twist HSS threaded-shank drill bits for quick-change drilling in aluminum engine blocks
Heavy equipment maintenance — Rocky Mountain Twist cobalt drill bits for drilling hardened steel in field repair kits
Precision machining — Rocky Mountain Twist HSS drill bits in wire gauge sizes for jig and fixture drilling
Portable drilling operations — Rocky Mountain Twist threaded-shank drill bits for use with magnetic drill stands in structural steel fabrication

ROCKY MOUNTAIN TWIST Products

3G Electric supplies ROCKY MOUNTAIN TWIST cobalt threaded-shank drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO9/64SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1406; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO9/64SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1406; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1094; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1094; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2344; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2344; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1719; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1719; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO9/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1406; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 9/64", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO9/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1406; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2031; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2031; attr1235683: NAS 965 Type D.

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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2055; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2055; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.3125; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.3125; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO5SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2055; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO5SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2055; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 13/32" Overall Lg, Black Oxide Cobalt (MPN 953CO27VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 13/32" Overall Lg, Black Oxide Cobalt (MPN 953CO27VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #10, 13/32" Overall Lg, Black Oxide Cobalt (MPN 953CO10VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1935; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #10, 13/32" Overall Lg, Black Oxide Cobalt (MPN 953CO10VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1935; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #12, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO12LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1890; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #12, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO12LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1890; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31, 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO31ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1200; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31, 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO31ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1200; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #29, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO29SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1360; attr1235683: NAS 965 Type D.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #29, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO29SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1360; attr1235683: NAS 965 Type D.