ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 1-1/4" 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-195543
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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. This product is identified by manufacturer part number 953COFSS.
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 tool holding. It meets NAS 965 Type D specifications, making it suitable for high-tolerance metal drilling tasks.
What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (MPN 953COFSS) has a 0.2570-inch diameter, 1/4"-28 thread size, and 1-1/4" overall length. It features a black oxide cobalt finish and meets NAS 965 Type D standards.
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, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and pricing.
How to select the correct ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?
Select based on thread size (1/4"-28), diameter (0.2570 inch), and overall length (1-1/4"). Ensure the bit meets NAS 965 Type D for aerospace-grade drilling. The black oxide cobalt finish provides heat resistance and durability for hard metals.
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.















