ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #25, 9/16" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #25 is a cobalt threaded-shank drill bit with a 0.1495-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D, with…
SKU 3G-OTH-195667
Need installation or engineering help?
Ask a question
Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #25 is a cobalt threaded-shank drill bit with a 0.1495-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D, with an overall length of 9/16 inch (MPN 953CO25ST).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #25 used for?
This cobalt threaded-shank drill bit is designed for precision drilling in aerospace and industrial applications requiring NAS 965 Type D compliance. Its 1/4"-28 threaded shank allows secure mounting in tool holders, while the black oxide cobalt material provides heat resistance and durability for hard metals.
What are the specifications of the ROCKY MOUNTAIN TWIST 953CO25ST drill bit?
The ROCKY MOUNTAIN TWIST 953CO25ST is a #25 drill bit with a 0.1495-inch diameter, 9/16-inch overall length, and 1/4"-28 thread size. It features a black oxide cobalt finish and conforms to NAS 965 Type D. The threaded shank ensures compatibility with standard tool holders.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits like the 953CO25ST 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.
How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on required hole diameter (0.1495 inch for #25), thread size (1/4"-28), and material compatibility. The black oxide cobalt type suits hard metals. Ensure the drill bit meets NAS 965 Type D if aerospace standards are needed. 3G Electric can help match your application requirements.
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.















