ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31, 2-1/8" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31 is a cobalt threaded-shank drill bit with a 0.1200-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D…
SKU 3G-OTH-195557
Need installation or engineering help?
Ask a question
Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #31 is a cobalt threaded-shank drill bit with a 0.1200-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D specifications, with an overall length of 2-1/8 inches (MPN 953CO31LS).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #31 used for?
This cobalt drill bit is designed for precision drilling in aerospace and industrial applications where a threaded shank is required for secure tool holding. It meets NAS 965 Type D specifications, making it suitable for high-strength materials and demanding environments.
What are the specifications of the ROCKY MOUNTAIN TWIST 953CO31LS drill bit?
The ROCKY MOUNTAIN TWIST 953CO31LS is a #31 cobalt threaded-shank drill bit with a 0.1200-inch diameter, 1/4"-28 thread size, and 2-1/8" overall length. It features a black oxide finish and meets NAS 965 Type D standards for aerospace-grade drilling.
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 to source the 953CO31LS or other sizes for your operations.
How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on your required hole diameter, thread size, and material. The #31 bit has a 0.1200" diameter with 1/4"-28 threads, ideal for NAS 965 Type D applications. Ensure your tool holder matches the threaded shank. For other sizes, consult the ROCKY MOUNTAIN TWIST catalog or contact 3G Electric for sourcing assistance.
Used in
Common applications for ROCKY MOUNTAIN TWISTROCKY 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.















