ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 9/16" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F is a cobalt threaded-shank drill bit with a 0.2570-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D…
SKU 3G-OTH-195664
Need installation or engineering help?
Ask a question
Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F is a cobalt threaded-shank drill bit with a 0.2570-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 9/16".
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 used for?
This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank is required for secure mounting in tool holders. The cobalt material and black oxide finish suit high-strength materials like stainless steel and titanium.
What are the specifications of the ROCKY MOUNTAIN TWIST 953COFST drill bit?
The ROCKY MOUNTAIN TWIST 953COFST is a Letter F threaded shank drill bit with a 0.2570-inch diameter, 1/4"-28 thread size, and 9/16" overall length. It is made of black oxide cobalt and meets NAS 965 Type D specifications.
Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on the required hole diameter (e.g., 0.2570-inch for Letter F), thread size (1/4"-28), and material compatibility. Cobalt bits suit hard metals. Ensure the shank matches your tool holder's thread and that the bit meets applicable standards like NAS 965.
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.















