ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 2-1/8" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8" is a high-speed steel threaded-shank drill bit with a 0.3750" diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type…
SKU 3G-OTH-192776
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8" is a high-speed steel threaded-shank drill bit with a 0.3750" diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type B, with an overall length of 2-1/8" (MPN 953HS3/8LS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST threaded shank drill bit used for?
This drill bit is used for precision drilling in metalworking and aerospace applications. Its threaded shank (1/4"-28) allows secure mounting in tool holders, while the black oxide HSS construction provides wear resistance. It conforms to NAS 965 Type B, making it suitable for high-tolerance industrial drilling tasks.
What are the specifications of the ROCKY MOUNTAIN TWIST 953HS3/8LS drill bit?
The ROCKY MOUNTAIN TWIST 953HS3/8LS is a high-speed steel threaded-shank drill bit with a 0.3750" diameter, 1/4"-28 thread size, and 2-1/8" overall length. It features a black oxide finish and meets NAS 965 Type B standards. The manufacturer part number is 953HS3/8LS.
Where to buy ROCKY MOUNTAIN TWIST 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 to source the 953HS3/8LS or other models for your operations.
How to select the correct threaded shank drill bit for aerospace work?
Select a bit with the correct thread size (e.g., 1/4"-28) and diameter (e.g., 0.3750") for your holder. Ensure it meets NAS 965 Type B for aerospace standards. The ROCKY MOUNTAIN TWIST 953HS3/8LS with black oxide HSS is a common choice. Verify overall length (2-1/8") fits your application depth.
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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.















