ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #1, 5/8" Overall Lg, Black Oxide HSS
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #1 is a high-speed steel threaded-shank drill bit with a 0.2280-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965…
SKU 3G-OTH-192872
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #1 is a high-speed steel threaded-shank drill bit with a 0.2280-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type B specifications, with a 5/8-inch overall length (MPN 953HS1ST).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #1 used for?
This drill bit is used for precision drilling in aerospace and industrial applications where threaded shank retention is required. It conforms to NAS 965 Type B specifications, making it suitable for high-tolerance hole-making in metal alloys and composite materials.
What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #1?
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #1 has a 0.2280-inch diameter, 1/4"-28 thread size, and 5/8-inch overall length. It is made from high-speed steel with a black oxide finish and meets NAS 965 Type B standards. The manufacturer part number is 953HS1ST.
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 for availability and lead time on the NAS 965 Type B drill bit.
How to select the correct ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?
Select based on thread size (1/4"-28), diameter (0.2280 inch), and overall length (5/8 inch) matching your application. Ensure the drill bit conforms to NAS 965 Type B for aerospace-grade requirements. The black oxide finish on high-speed steel provides wear resistance for drilling ferrous metals.
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Common applications for ROCKY MOUNTAIN TWISTROCKY MOUNTAIN TWIST Products
3G Electric supplies ROCKY MOUNTAIN TWIST high-speed steel threaded-shank drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















