ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13, 1-1/4" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13 is a high-speed steel threaded-shank drill bit with a 0.1850-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type B…
SKU 3G-OTH-192849
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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 0.1850-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type B specifications, with an overall length of 1-1/4 inches (MPN 953HS13SS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #13 used for?
This #13 drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank (1/4"-28) is required for secure mounting in tool holders. Its black oxide HSS construction and NAS 965 Type B compliance suit high-tolerance metal drilling tasks.
What are the specifications of the ROCKY MOUNTAIN TWIST 953HS13SS drill bit?
The ROCKY MOUNTAIN TWIST 953HS13SS is a #13 drill bit with a 0.1850-inch diameter, 1/4"-28 threaded shank, and 1-1/4" overall length. It is made of black oxide high-speed steel and meets NAS 965 Type B standards.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits like the 953HS13SS to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial tooling regardless of your location.
How to select the correct threaded shank drill bit for aerospace work?
Select a drill bit that matches your required hole diameter and thread size—here #13 with 1/4"-28 shank. Ensure it meets applicable standards like NAS 965 Type B for aerospace. ROCKY MOUNTAIN TWIST bits are designed for such precision applications.
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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.















