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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (SKU 3G-OTH-196504) is a 13/64" cobalt threaded-shank drill bit with a 0.2031-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS…

SKU 3G-OTH-196504

Also listed as: 953CO1364ST · 953CO13 64ST · 953CO13-64ST

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO13/64ST
Type
Black Oxide Cobalt
Overall Lg
5/8"

Technical Documents

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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 3G-OTH-196504) is a 13/64" cobalt threaded-shank drill bit with a 0.2031-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 5/8".

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST 13/64" threaded shank drill bit used for?

This cobalt threaded-shank drill bit is designed for precision drilling in hard metals and aerospace applications. Its 1/4"-28 threaded shank allows secure mounting in tool holders, while the black oxide finish reduces friction and improves chip evacuation.

What are the specifications of the ROCKY MOUNTAIN TWIST 953CO13/64ST drill bit?

The ROCKY MOUNTAIN TWIST 953CO13/64ST is a 13/64" diameter cobalt drill bit with a 0.2031-inch cutting diameter, 1/4"-28 threaded shank, and 5/8" overall length. It features a black oxide finish and meets NAS 965 Type D specifications.

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 solutions provider, we handle full logistics and customs clearance to deliver this NAS 965 Type D cobalt bit to your facility, regardless of location.

How to select the correct threaded shank drill bit for aerospace work?

Match the thread size (e.g., 1/4"-28) to your tool holder and ensure the diameter meets your hole tolerance. For hard materials, choose cobalt with black oxide finish. The ROCKY MOUNTAIN TWIST 953CO13/64ST meets NAS 965 Type D for aerospace-grade drilling.

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: 13/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64LS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64LS)
Cobalt threaded-shank drill bit with a 13/64" diameter and 1-1/4" overall length. Black oxide finish on cobalt steel. 1/4"-28 thread shank for secure retention in tool holders. Suitable for precision drilling in high-strength materials
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Cobalt threaded-shank drill bit with a 13/64" diameter and 1-1/4" overall length. Black oxide finish on cobalt steel. 1/4"-28 thread shank for secure retention in tool holders. Suitable for precision drilling in high-strength materials
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This cobalt threaded-shank drill bit has a 7/64" diameter and 1/2" overall length, with a black oxide finish. It features a 1/4"-28 thread size for secure retention in tool holders. Designed for precision drilling in hardened metals and alloys, it meets NAS 965 Type D specifications
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This cobalt threaded-shank drill bit has a 7/64" diameter and 1/2" overall length, with a black oxide finish. It features a 1/4"-28 thread size for secure retention in tool holders. Designed for precision drilling in hardened metals and alloys, it meets NAS 965 Type D specifications
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64ST)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64ST)
This cobalt threaded-shank drill bit has a 9/64" diameter and 9/16" overall length. The black oxide finish provides surface protection. It is used for precision drilling in applications where a threaded shank ensures secure retention in tool holders
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This cobalt threaded-shank drill bit has a 9/64" diameter and 9/16" overall length. The black oxide finish provides surface protection. It is used for precision drilling in applications where a threaded shank ensures secure retention in tool holders

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