We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31, 2-1/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31, 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31 is a cobalt threaded-shank drill bit with a 0.1200-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D…

SKU 3G-OTH-195557

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: #31, 2-1/8" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO31LS
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: #31 is a cobalt threaded-shank drill bit with a 0.1200-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D specifications, with an overall length of 2-1/8 inches (MPN 953CO31LS).

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 #31 used for?

This cobalt drill bit is designed for precision drilling in aerospace and industrial applications where a threaded shank is required for secure tool holding. It meets NAS 965 Type D specifications, making it suitable for high-strength materials and demanding environments.

What are the specifications of the ROCKY MOUNTAIN TWIST 953CO31LS drill bit?

The ROCKY MOUNTAIN TWIST 953CO31LS is a #31 cobalt threaded-shank drill bit with a 0.1200-inch diameter, 1/4"-28 thread size, and 2-1/8" overall length. It features a black oxide finish and meets NAS 965 Type D standards for aerospace-grade drilling.

Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank 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 the 953CO31LS or other sizes for your operations.

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

Select based on your required hole diameter, thread size, and material. The #31 bit has a 0.1200" diameter with 1/4"-28 threads, ideal for NAS 965 Type D applications. Ensure your tool holder matches the threaded shank. For other sizes, consult the ROCKY MOUNTAIN TWIST catalog or contact 3G Electric for sourcing assistance.

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: #32, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO32LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1160; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/32", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO7/32LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2188; attr1235683: NAS 965 Type D.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #32, 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO32ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1160; 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: 5/16", 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, 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: #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: #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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