ROCKY MOUNTAIN TWIST 953CO5/16SS Cobalt Threaded-Shank Drill Bit
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16" is a cobalt threaded-shank drill bit with a 0.3125 inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D…
SKU 3G-OTH-196527
Also listed as: 953CO516SS · 953CO5 16SS · 953CO5-16SS
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16" is a cobalt threaded-shank drill bit with a 0.3125 inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D specifications, with an overall length of 1-1/4 inches (MPN 953CO5/16SS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit used for?
This 5/16" cobalt drill bit with a 1/4"-28 threaded shank is designed for precision drilling in aerospace and industrial applications requiring NAS 965 Type D compliance. The black oxide cobalt construction provides heat resistance and durability for tough materials like stainless steel and titanium.
What are the specifications of the ROCKY MOUNTAIN TWIST 953CO5/16SS drill bit?
The ROCKY MOUNTAIN TWIST 953CO5/16SS is a 5/16" (0.3125 inch) diameter threaded shank drill bit with a 1/4"-28 thread size, 1-1/4" overall length, black oxide cobalt finish, and meets NAS 965 Type D specifications.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 953CO5/16SS.
How to select the correct threaded shank drill bit for aerospace work?
For aerospace drilling, match the thread size (e.g., 1/4"-28) to your tool holder, ensure the diameter (e.g., 5/16") meets hole specs, and verify material compatibility. Cobalt bits with black oxide finish, like the ROCKY MOUNTAIN TWIST 953CO5/16SS, suit high-strength alloys. Always confirm NAS 965 Type D compliance.
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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.
