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: #26, 9/16" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26, 9/16" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26 is a cobalt threaded-shank drill bit with a 0.1470-inch diameter and a 1/4"-28 thread size. It features a 9/16" overall length, black oxide finish, and meets NAS…

SKU 3G-OTH-195570

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: #26, 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
953CO26ST
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: #26 is a cobalt threaded-shank drill bit with a 0.1470-inch diameter and a 1/4"-28 thread size. It features a 9/16" 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 #26 used for?

This cobalt threaded-shank drill bit is designed for precision drilling in aerospace and industrial applications requiring NAS 965 Type D specifications. Its 1/4"-28 threaded shank allows secure mounting in tool holders, while the black oxide cobalt material provides heat resistance and durability for hard metals.

What are the specifications of the ROCKY MOUNTAIN TWIST #26 drill bit?

The ROCKY MOUNTAIN TWIST #26 drill bit has a 0.1470-inch diameter, 9/16" overall length, and a 1/4"-28 thread size. It is made of black oxide cobalt and meets NAS 965 Type D standards. The manufacturer part number is 953CO26ST.

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 for availability and pricing on the #26 bit (MPN 953CO26ST).

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

Select based on thread size (1/4"-28 for this #26 bit), diameter (0.1470 inches), and overall length (9/16"). Ensure compatibility with your tool holder and material. For aerospace work, verify NAS 965 Type D compliance. 3G Electric can help match the bit to 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.

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 D, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CODLS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CODLS)
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiCN-Coated Cobalt, Fast Spiral (MPN C13080)
CLEVELAND
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiCN-Coated Cobalt, Fast Spiral (MPN C13080)
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16638)
CLEVELAND
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16638)
CLEVELAND C16640 is a #28 jobber-length drill bit with a 0.1405-inch diameter, featuring TiN-coated cobalt construction and a 135° split point. The fast spiral flute design is optimized for deep-hole drilling in hard materials, reducing walking and providing heat resistance for extended tool life in industrial metalworking applications
CLEVELAND
CLEVELAND C16640 is a #28 jobber-length drill bit with a 0.1405-inch diameter, featuring TiN-coated cobalt construction and a 135° split point. The fast spiral flute design is optimized for deep-hole drilling in hard materials, reducing walking and providing heat resistance for extended tool life in industrial metalworking applications
This #26 screw-machine length drill bit features a 135° split point and fast spiral design for deep hole-drilling. Made of TiN-coated cobalt, it is suited for high-speed machining in industrial applications requiring efficient chip evacuation and heat resistance
CLEVELAND
This #26 screw-machine length drill bit features a 135° split point and fast spiral design for deep hole-drilling. Made of TiN-coated cobalt, it is suited for high-speed machining in industrial applications requiring efficient chip evacuation and heat resistance
CLEVELAND Taper Length Drill Bit: 17/64", 118° Notched Point, Straw/Bronze Cobalt, Tang Shank (MPN C83007)
CLEVELAND
CLEVELAND Taper Length Drill Bit: 17/64", 118° Notched Point, Straw/Bronze Cobalt, Tang Shank (MPN C83007)

More from ROCKY MOUNTAIN TWIST

View all ROCKY MOUNTAIN TWIST parts
Cobalt threaded-shank drill bit with a 0.2570-inch diameter (Letter F) and 1/4"/28 thread size. Overall length 13/32". Black oxide finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a 0.2570-inch diameter (Letter F) and 1/4"/28 thread size. Overall length 13/32". Black oxide finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
Cobalt threaded-shank drill bit with a #17 diameter of 0.1730 inches and a 1/4"-28 thread size. Overall length is 1-1/4 inches. Black oxide finish. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials, commonly in aerospace and industrial manufacturing
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #17 diameter of 0.1730 inches and a 1/4"-28 thread size. Overall length is 1-1/4 inches. Black oxide finish. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials, commonly in aerospace and industrial manufacturing
Cobalt threaded-shank drill bit with 0.3125" diameter, 1/4"-28 thread size, and 5/8" overall length. Black oxide finish. Conforms to NAS 965 Type D. Used for precision drilling in applications requiring secure retention in tool holders, such as in aerospace and industrial machining of high-strength materials
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with 0.3125" diameter, 1/4"-28 thread size, and 5/8" overall length. Black oxide finish. Conforms to NAS 965 Type D. Used for precision drilling in applications requiring secure retention in tool holders, such as in aerospace and industrial machining of high-strength materials
Cobalt threaded-shank drill bit with a #13 diameter of 0.1850 inches and a 1/4"-28 threaded shank. Overall length is 13/32 inch. Black oxide finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #13 diameter of 0.1850 inches and a 1/4"-28 threaded shank. Overall length is 13/32 inch. Black oxide finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
This cobalt threaded-shank drill bit has a #7 diameter of 0.2010 inches and a 1/4"-28 thread size. It features a black oxide finish for heat resistance and an overall length of 2-1/8 inches. Conforms to NAS 965 Type D. Used for drilling precision holes in hard metals and aerospace alloys, with the threaded shank enabling secure mounting in tool holders for high-torque applications
ROCKY MOUNTAIN TWIST
This cobalt threaded-shank drill bit has a #7 diameter of 0.2010 inches and a 1/4"-28 thread size. It features a black oxide finish for heat resistance and an overall length of 2-1/8 inches. Conforms to NAS 965 Type D. Used for drilling precision holes in hard metals and aerospace alloys, with the threaded shank enabling secure mounting in tool holders for high-torque applications
This cobalt threaded-shank drill bit has a 0.2420-inch diameter (Letter C) and a 1/4-28 thread size. The black oxide finish provides lubricity and wear resistance. Overall length is 1-1/4 inches. Used for drilling precision holes in hard metals such as stainless steel and titanium, with the threaded shank enabling secure mounting in tool holders for industrial machining applications
ROCKY MOUNTAIN TWIST
This cobalt threaded-shank drill bit has a 0.2420-inch diameter (Letter C) and a 1/4-28 thread size. The black oxide finish provides lubricity and wear resistance. Overall length is 1-1/4 inches. Used for drilling precision holes in hard metals such as stainless steel and titanium, with the threaded shank enabling secure mounting in tool holders for industrial machining applications
Cobalt threaded-shank drill bit with a #14 wire gauge diameter of 0.1820 inches and a 1/4"-28 threaded shank. Overall length is 2-1/8 inches. Black oxide finish on cobalt steel. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials, typically mounted in tool holders for high-torque applications
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #14 wire gauge diameter of 0.1820 inches and a 1/4"-28 threaded shank. Overall length is 2-1/8 inches. Black oxide finish on cobalt steel. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials, typically mounted in tool holders for high-torque applications
Cobalt threaded-shank drill bit with #40 diameter (0.0980") and 1/4"-28 thread. Black oxide finish. Overall length 13/32". Conforms to NAS 965 Type D standards. Used for precision drilling in high-strength materials where a secure threaded shank is required
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with #40 diameter (0.0980") and 1/4"-28 thread. Black oxide finish. Overall length 13/32". Conforms to NAS 965 Type D standards. Used for precision drilling in high-strength materials where a secure threaded shank is required