ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #8, 1-1/4" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #8 is a cobalt threaded-shank drill bit with a 0.1990-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D…
SKU 3G-OTH-195629
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #8 is a cobalt threaded-shank drill bit with a 0.1990-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D standards. The overall length is 1-1/4 inches, and the manufacturer part number is 953CO8SS.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #8 used for?
This cobalt drill bit is designed for drilling precision holes in hardened materials, commonly used in aerospace and industrial manufacturing. Its threaded shank (1/4"-28) allows secure mounting in tool holders for high-torque applications, meeting NAS 965 Type D standards for reliability.
What are the specifications of the ROCKY MOUNTAIN TWIST #8 drill bit?
The ROCKY MOUNTAIN TWIST #8 drill bit (MPN 953CO8SS) has a 0.1990-inch diameter, 1/4"-28 threaded shank, and 1-1/4-inch overall length. It features a black oxide cobalt finish and conforms to NAS 965 Type D standards, ensuring durability in demanding industrial environments.
Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST 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 953CO8SS or other threaded-shank drill bits for your operations.
How to select the right ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on thread size (e.g., 1/4"-28), diameter (0.1990 inches), and material compatibility. Cobalt bits suit hardened steels; black oxide reduces friction. Ensure the shank matches your tool holder. For NAS 965 Type D compliance, verify the part number (953CO8SS) meets aerospace specs.
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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.















