ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 2-1/8" Overall Lg
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
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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.
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 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.
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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.




