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ROCKY MOUNTAIN TWIST 13/64" Cobalt Threaded-Shank Drill Bit - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST 13/64" Cobalt Threaded-Shank Drill Bit

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
13/64" Cobalt Threaded-Shank Drill Bit
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
953CO13/64LS
Type
Black Oxide Cobalt
Overall Lg
2-1/8"

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 (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.

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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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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 features a 13/64" diameter and 1/4"-28 thread for secure mounting in tool holders. The black oxide finish reduces friction and aids chip evacuation. With an overall length of 5/8", it is suited for precision drilling in hard metals and aerospace applications. Meets NAS 965 Type D specifications
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 enhances lubricity and corrosion resistance. Overall length is 2-1/8". Suitable for drilling in high-heat materials such as stainless steel and titanium in industrial applications
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This 7/64" cobalt drill bit features a threaded 1/4-28 shank for secure mounting in tool holders. The black oxide finish and cobalt construction provide heat resistance for drilling hard metals. Overall length is 2-1/8". Suitable for precision drilling in industrial applications
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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

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