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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 5/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 5/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64" is a cobalt threaded-shank drill bit with a 0.2344-inch diameter and a 1/4"-28 thread size. It features a 5/8" overall length, a black oxide cobalt finish…

SKU 3G-OTH-196515

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 15/64", 5/8" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO15/64ST
Type
Black Oxide Cobalt
Overall Lg
5/8"
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ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64" is a cobalt threaded-shank drill bit with a 0.2344-inch diameter and a 1/4"-28 thread size. It features a 5/8" overall length, a black oxide cobalt finish, and meets NAS 965 Type D specifications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank is required for secure mounting in tool holders. It is designed for use with NAS 965 Type D specifications, making it suitable for high-tolerance metal drilling tasks.

What are the specifications of the ROCKY MOUNTAIN TWIST 15/64" drill bit?

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit has a 0.2344-inch diameter (15/64"), a 1/4"-28 thread size, and a 5/8" overall length. It features a black oxide cobalt finish and meets NAS 965 Type D standards. The manufacturer part number is 953CO15/64ST.

Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this threaded shank drill bit for your operations.

How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?

Select based on required diameter, thread size, and material compatibility. This bit uses a 1/4"-28 thread and is made of cobalt with black oxide finish for heat resistance. Ensure your tool holder accepts NAS 965 Type D shanks. For aerospace work, verify the bit meets the specified standard.

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: 15/64", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2344; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64SS). 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: 13/64", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64ST). 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: 13/64", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2031; 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: 5/16", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16ST). 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", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16ST). 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: 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: 7/64", 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64ST). 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", 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64ST). 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: #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.
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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.
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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.
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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.
ROCKY MOUNTAIN TWIST
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.