ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/16", 9/16" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/16" is a cobalt threaded-shank drill bit with a 0.1875-inch diameter and a 1/4"-28 thread size. It features a black oxide cobalt finish and meets NAS 965 Type D…
SKU 3G-OTH-196497
Need installation or engineering help?
Ask a question
Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/16" is a cobalt threaded-shank drill bit with a 0.1875-inch diameter and a 1/4"-28 thread size. It features a black oxide cobalt finish and meets NAS 965 Type D specifications, with a 9/16" overall length. This product is identified by manufacturer part number 953CO3/16ST.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit used for?
This drill bit is designed for precision drilling in aerospace and industrial applications where threaded shank retention is required. The 1/4"-28 thread and NAS 965 Type D compliance make it suitable for use in high-vibration environments, such as aircraft assembly and metal fabrication.
What are the specifications of the ROCKY MOUNTAIN TWIST 3/16" drill bit?
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit has a 0.1875-inch diameter, 9/16" overall length, and a 1/4"-28 thread size. It features a black oxide cobalt finish and meets NAS 965 Type D specifications. The manufacturer part number is 953CO3/16ST.
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, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 953CO3/16ST model.
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., 0.1875") for your tool holder. Ensure it meets NAS 965 Type D for aerospace standards. The ROCKY MOUNTAIN TWIST black oxide cobalt finish provides heat resistance and durability for repeated use in metal drilling.
Used in
Common applications for ROCKY MOUNTAIN TWISTROCKY MOUNTAIN TWIST Products
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.















