ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13, 2-1/8" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13 is a high-speed steel threaded-shank drill bit with a 1/4"-28 thread size and a 0.1850-inch diameter. It features a 2-1/8" overall length, black oxide finish…
SKU 3G-OTH-192891
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13 is a high-speed steel threaded-shank drill bit with a 1/4"-28 thread size and a 0.1850-inch diameter. It features a 2-1/8" overall length, black oxide finish, and meets NAS 965 Type B specifications (MPN 953HS13LS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #13 used for?
This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank is required for secure mounting in tool holders. It meets NAS 965 Type B specifications, making it suitable for high-tolerance metalworking tasks.
What are the specifications of the ROCKY MOUNTAIN TWIST #13 drill bit?
The ROCKY MOUNTAIN TWIST #13 drill bit has a 0.1850-inch diameter, 1/4"-28 threaded shank, and 2-1/8" overall length. It is made of black oxide high-speed steel (HSS) and meets NAS 965 Type B standards. The manufacturer part number is 953HS13LS.
Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 953HS13LS or other threaded shank drill bits for your operations.
How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on thread size (e.g., 1/4"-28), diameter (0.1850 inch), and overall length (2-1/8"). Ensure the bit meets NAS 965 Type B for aerospace-grade applications. Match the shank to your tool holder and the material to be drilled—black oxide HSS suits ferrous metals.
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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.















