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ROCKY MOUNTAIN TWIST 15/64" Black Oxide Cobalt Threaded-Shank Drill Bit - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST 15/64" Black Oxide Cobalt Threaded-Shank Drill Bit

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (SKU 3G-OTH-196519) is a 15/64" cobalt threaded-shank drill bit with a 1/4"-28 thread size and an overall length of 2-1/8". It features a black oxide finish and meets…

SKU 3G-OTH-196519

Also listed as: 953CO1564LS · 953CO15 64LS · 953CO15-64LS

Brand
ROCKY MOUNTAIN TWIST
Item
15/64" Black Oxide 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
953CO15/64LS
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 (SKU 3G-OTH-196519) is a 15/64" cobalt threaded-shank drill bit with a 1/4"-28 thread size and an overall length of 2-1/8". It features a black oxide finish and meets NAS 965 Type D specifications. The bit diameter is 0.2344 inches.

Frequently Asked Questions

What is a ROCKY MOUNTAIN TWIST threaded shank drill bit used for?

This 15/64" cobalt drill bit with a 1/4"-28 threaded shank is designed for precision drilling in aerospace and industrial applications. The threaded shank provides secure retention in tool holders, while the black oxide cobalt construction handles high-heat materials like stainless steel and titanium. It meets NAS 965 Type D specifications.

What are the specifications of the ROCKY MOUNTAIN TWIST 953CO15/64LS drill bit?

The ROCKY MOUNTAIN TWIST 953CO15/64LS is a 15/64" diameter cobalt threaded-shank drill bit with a 1/4"-28 thread size. Overall length is 2-1/8". It has a black oxide finish and meets NAS 965 Type D standards. The bit diameter is 0.2344 inches.

Where to buy ROCKY MOUNTAIN TWIST 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. Contact us for pricing and lead time on the 953CO15/64LS.

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

For aerospace drilling, match the thread size (e.g., 1/4"-28) to your tool holder and choose a bit diameter like 15/64". Cobalt construction and black oxide finish improve heat resistance. Ensure the bit meets NAS 965 Type D for compliance. 3G Electric can help source the right ROCKY MOUNTAIN TWIST bit for 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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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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
Cobalt threaded-shank drill bit with 0.2344" diameter (15/64") and 1/4"-28 thread. Overall length 5/8", black oxide cobalt finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
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Cobalt threaded-shank drill bit with 0.2344" diameter (15/64") and 1/4"-28 thread. Overall length 5/8", black oxide cobalt finish. Meets NAS 965 Type D specifications. Used for precision drilling in applications requiring secure mounting in tool holders
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)
Threaded-shank drill bit with 9/64" diameter and 1/4-28 thread for secure mounting in tool holders. Black oxide cobalt construction provides heat and wear resistance. Overall length 2-1/8". Suitable for precision drilling in aerospace and industrial applications requiring NAS 965 Type D compliance
ROCKY MOUNTAIN TWIST
Threaded-shank drill bit with 9/64" diameter and 1/4-28 thread for secure mounting in tool holders. Black oxide cobalt construction provides heat and wear resistance. Overall length 2-1/8". Suitable for precision drilling in aerospace and industrial applications requiring NAS 965 Type D compliance
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
This cobalt threaded-shank drill bit has a 0.1719" (11/64") diameter and 2-1/8" overall length. The black oxide finish reduces friction during drilling. The 1/4"-28 threaded shank enables secure mounting in tool holders. It is used for drilling hard materials such as stainless steel and titanium in industrial applications
ROCKY MOUNTAIN TWIST
This cobalt threaded-shank drill bit has a 0.1719" (11/64") diameter and 2-1/8" overall length. The black oxide finish reduces friction during drilling. The 1/4"-28 threaded shank enables secure mounting in tool holders. It is used for drilling hard materials such as stainless steel and titanium in industrial applications

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Cobalt threaded-shank drill bit with a #28 wire gauge diameter of 0.1405 inches and a 1/4"-28 thread size. Black oxide finish provides heat resistance for drilling hard metals. Overall length 2-1/8 inches. Meets NAS 965 Type D specifications. Used for precision drilling in toolholding systems requiring secure threaded mounting
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Cobalt threaded-shank drill bit with a #28 wire gauge diameter of 0.1405 inches and a 1/4"-28 thread size. Black oxide finish provides heat resistance for drilling hard metals. Overall length 2-1/8 inches. Meets NAS 965 Type D specifications. Used for precision drilling in toolholding systems requiring secure threaded mounting
This #10 cobalt threaded-shank drill bit has a 0.1935-inch diameter and 1/4"-28 thread size. The black oxide finish provides heat resistance. Overall length is 1-1/4". Conforms to NAS 965 Type D. Used for precision drilling in aerospace and industrial applications
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This #10 cobalt threaded-shank drill bit has a 0.1935-inch diameter and 1/4"-28 thread size. The black oxide finish provides heat resistance. Overall length is 1-1/4". Conforms to NAS 965 Type D. Used for precision drilling in aerospace and industrial applications
Cobalt threaded-shank drill bit with a #18 diameter of 0.1695 inches and a 1/4"-28 thread size. Features a black oxide finish and conforms to NAS 965 Type D specification. Overall length is 1-1/4 inches. Used for precision drilling in applications requiring a secure threaded shank, such as in aerospace and industrial machining
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Cobalt threaded-shank drill bit with a #18 diameter of 0.1695 inches and a 1/4"-28 thread size. Features a black oxide finish and conforms to NAS 965 Type D specification. Overall length is 1-1/4 inches. Used for precision drilling in applications requiring a secure threaded shank, such as in aerospace and industrial machining
This 7/32" diameter cobalt drill bit features a threaded shank for secure mounting in tool holders. The black oxide finish provides enhanced lubricity and corrosion resistance. With a 9/16" overall length, it is suited for drilling operations in machining and metalworking applications
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This 7/32" diameter cobalt drill bit features a threaded shank for secure mounting in tool holders. The black oxide finish provides enhanced lubricity and corrosion resistance. With a 9/16" overall length, it is suited for drilling operations in machining and metalworking applications
This 3/32" diameter cobalt drill bit features a 1/4"-28 threaded shank for secure retention in tool holders. The black oxide finish reduces friction and enhances wear resistance. With an overall length of 1/2", it is suited for precision drilling in metalworking applications requiring threaded shank compatibility
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This 3/32" diameter cobalt drill bit features a 1/4"-28 threaded shank for secure retention in tool holders. The black oxide finish reduces friction and enhances wear resistance. With an overall length of 1/2", it is suited for precision drilling in metalworking applications requiring threaded shank compatibility
Cobalt threaded-shank drill bit with a #1 diameter of 0.2280 inches and a 1/4"-28 thread size. Features a black oxide finish and an overall length of 2-1/8 inches. Designed for precision drilling in metalworking applications requiring secure mounting in tool holders
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Cobalt threaded-shank drill bit with a #1 diameter of 0.2280 inches and a 1/4"-28 thread size. Features a black oxide finish and an overall length of 2-1/8 inches. Designed for precision drilling in metalworking applications requiring secure mounting in tool holders
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Cobalt threaded-shank drill bit with 0.1590-inch diameter and 1/4"-28 thread size. Black oxide finish. Overall length 1-1/4". Conforms to NAS 965 Type D. Used for precision drilling in metal alloys and hardened materials where a secure threaded shank is required