Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 9/16" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 9/16" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G is a cobalt threaded-shank drill bit with a 0.2610-inch diameter, a 1/4"-28 thread size, and a 9/16" overall length. It meets NAS 965 Type D specifications…

SKU 3G-OTH-195545

Also listed as: 953 COGST · 953-COGST

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: Letter G, 9/16" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
953COGST
Type
Black Oxide Cobalt
Overall Lg
9/16"

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G is a cobalt threaded-shank drill bit with a 0.2610-inch diameter, a 1/4"-28 thread size, and a 9/16" overall length. It meets NAS 965 Type D specifications and features a black oxide finish on cobalt material.

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 requiring threaded shank bits. It meets NAS 965 Type D specifications, making it suitable for high-strength materials where secure shank retention is critical.

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

The bit has a 0.2610-inch diameter (Letter G), a 1/4"-28 thread size, and a 9/16" overall length. It is made of black oxide cobalt and meets NAS 965 Type D standards. The manufacturer part number is 953COGST.

Where to buy ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this NAS 965 Type D bit.

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

Select based on thread size (1/4"-28), diameter (0.2610 inch), and overall length (9/16"). Ensure the bit meets NAS 965 Type D for aerospace use. The black oxide cobalt finish provides heat resistance and durability for hard materials.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953COGLS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953COGLS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953COGSS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter G, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953COGSS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CODST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CODST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COBST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COBST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COFST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COFST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COCST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 9/16" Overall Lg, Black Oxide Cobalt (MPN 953COCST)

More from ROCKY MOUNTAIN TWIST

View all ROCKY MOUNTAIN TWIST parts
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO5/16SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO3/8ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO3/8ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #35, 1" Overall Lg, Black Oxide Cobalt (MPN 953CO35SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #35, 1" Overall Lg, Black Oxide Cobalt (MPN 953CO35SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CODSS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CODSS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO5/32ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 9/16" Overall Lg, Black Oxide Cobalt (MPN 953CO5/32ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #32, 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO32ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #32, 1/2" Overall Lg, Black Oxide Cobalt (MPN 953CO32ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #11, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO11SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #11, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO11SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO3/8SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953CO3/8SS)