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: 13/64", 2-1/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (13/64") is a cobalt threaded-shank drill bit with a 1/4"-28 thread size and a 0.2031-inch diameter. It features a 2-1/8" overall length, black oxide finish, and…

SKU 3G-OTH-196508

Also listed as: 953CO1364LS · 953CO13 64LS · 953CO13-64LS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 13/64", 2-1/8" 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
953CO13/64LS
Type
Black Oxide Cobalt
Overall Lg
2-1/8"

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 (13/64") is a cobalt threaded-shank drill bit with a 1/4"-28 thread size and a 0.2031-inch diameter. It features a 2-1/8" overall length, black oxide finish, and meets NAS 965 Type D specifications.

Frequently Asked Questions

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

This cobalt drill bit is designed for drilling precision holes in hard metals and aerospace alloys. Its 1/4"-28 threaded shank allows secure mounting in toolholders, making it ideal for high-torque applications in machining and maintenance across industrial departments.

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

The bit has a 0.2031-inch diameter (13/64"), 2-1/8" overall length, 1/4"-28 threaded shank, black oxide cobalt finish, and meets NAS 965 Type D standards. It is manufactured by ROCKY MOUNTAIN TWIST under MPN 953CO13/64LS.

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

3G Electric supplies ROCKY MOUNTAIN TWIST drill bits globally. As a sourcing specialist across 14 industrial departments, we handle logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this NAS 965 Type D bit.

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

Match the thread size (e.g., 1/4"-28) to your toolholder, and choose a diameter like 13/64" for specific hole tolerances. Cobalt bits with black oxide finish resist heat and wear. Verify NAS 965 Type D compliance for aerospace standards. 3G Electric can help interpret your requirements.

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
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
ROCKY MOUNTAIN TWIST
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
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg, Black Oxide Cobalt (MPN 953CO13/64ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 15/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO15/64LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 11/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO11/64LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 2-1/8" Overall Lg, Black Oxide Cobalt (MPN 953CO7/64LS)
This 15/64" diameter cobalt drill bit features a threaded shank with 1/4"-28 thread for secure retention in tool holders. The black oxide finish provides wear resistance. Overall length is 1-1/4". Suitable for drilling in high-strength materials where threaded shank tooling is required
ROCKY MOUNTAIN TWIST
This 15/64" diameter cobalt drill bit features a threaded shank with 1/4"-28 thread for secure retention in tool holders. The black oxide finish provides wear resistance. Overall length is 1-1/4". Suitable for drilling in high-strength materials where threaded shank tooling is required

More from ROCKY MOUNTAIN TWIST

View all ROCKY MOUNTAIN TWIST parts
Cobalt threaded-shank drill bit with a #24 diameter of 0.1520 inches and a 1/4"-28 thread. Overall length is 1-1/4 inches. Black oxide finish. Conforms to NAS 965 Type D. Used for precision drilling in metals where a threaded shank provides secure retention in tool holders
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #24 diameter of 0.1520 inches and a 1/4"-28 thread. Overall length is 1-1/4 inches. Black oxide finish. Conforms to NAS 965 Type D. Used for precision drilling in metals where a threaded shank provides secure retention in tool holders
Cobalt threaded-shank drill bit, #23 size, with 0.1540" diameter and 1/4"-28 thread. Overall length 9/16", black oxide finish. Complies with NAS 965 Type D. Used for drilling in hard metals and aerospace alloys where secure mounting in toolholders is required
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit, #23 size, with 0.1540" diameter and 1/4"-28 thread. Overall length 9/16", black oxide finish. Complies with NAS 965 Type D. Used for drilling in hard metals and aerospace alloys where secure mounting in toolholders is required
Cobalt threaded-shank drill bit with a #10 size, 0.1935-inch diameter, and 9/16" overall length. Features a black oxide finish and 1/4"-28 thread shank for secure mounting in tool holders. Designed for drilling precision holes in hard metals and aerospace alloys, suitable for CNC machining and industrial maintenance applications
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #10 size, 0.1935-inch diameter, and 9/16" overall length. Features a black oxide finish and 1/4"-28 thread shank for secure mounting in tool holders. Designed for drilling precision holes in hard metals and aerospace alloys, suitable for CNC machining and industrial maintenance applications
This #7 cobalt threaded-shank drill bit has a 0.2010-inch diameter and 1/4"-28 thread size, with a 5/8" overall length. The black oxide finish and NAS 965 Type D compliance suit precision drilling in metal alloys where secure tool holding is required
ROCKY MOUNTAIN TWIST
This #7 cobalt threaded-shank drill bit has a 0.2010-inch diameter and 1/4"-28 thread size, with a 5/8" overall length. The black oxide finish and NAS 965 Type D compliance suit precision drilling in metal alloys where secure tool holding is required
This cobalt threaded-shank drill bit has a 0.0938" diameter with a 1/4"-28 thread for secure mounting in tool holders. The black oxide finish and cobalt construction suit drilling in hard materials. Overall length is 1". Conforms to NAS 965 Type D specification
ROCKY MOUNTAIN TWIST
This cobalt threaded-shank drill bit has a 0.0938" diameter with a 1/4"-28 thread for secure mounting in tool holders. The black oxide finish and cobalt construction suit drilling in hard materials. Overall length is 1". Conforms to NAS 965 Type D specification
Cobalt threaded-shank drill bit with a #27 diameter of 0.1440 inches and a 1/4-28 thread. Black oxide finish for wear resistance. Overall length 2-1/8 inches. Meets NAS 965 Type D specifications. Suitable for precision drilling in hardened materials and aerospace applications requiring a threaded shank
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a #27 diameter of 0.1440 inches and a 1/4-28 thread. Black oxide finish for wear resistance. Overall length 2-1/8 inches. Meets NAS 965 Type D specifications. Suitable for precision drilling in hardened materials and aerospace applications requiring a threaded shank
This #30 wire-gauge cobalt drill bit features a 1/4"-28 threaded shank and a black oxide finish. With an overall length of 13/32" and a 0.1285" diameter, it is designed for precision drilling in hard metals and aerospace alloys. Complies with NAS 965 Type D specifications
ROCKY MOUNTAIN TWIST
This #30 wire-gauge cobalt drill bit features a 1/4"-28 threaded shank and a black oxide finish. With an overall length of 13/32" and a 0.1285" diameter, it is designed for precision drilling in hard metals and aerospace alloys. Complies with NAS 965 Type D specifications
Cobalt threaded-shank drill bit with a 0.3750" diameter and 1/4"-28 thread size. Overall length is 2-1/8". Black oxide finish. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials such as stainless steel and titanium, and for secure mounting in tool holders for machining applications
ROCKY MOUNTAIN TWIST
Cobalt threaded-shank drill bit with a 0.3750" diameter and 1/4"-28 thread size. Overall length is 2-1/8". Black oxide finish. Meets NAS 965 Type D specifications. Used for drilling precision holes in hardened materials such as stainless steel and titanium, and for secure mounting in tool holders for machining applications