ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21, 1-1/4" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21 is a cobalt threaded-shank drill bit with a 0.1590-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D…
SKU 3G-OTH-195582
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21 is a cobalt threaded-shank drill bit with a 0.1590-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D specification, with an overall length of 1-1/4 inches (MPN 953CO21SS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #21 used for?
This cobalt threaded-shank drill bit is designed for precision drilling in aerospace and industrial applications where a secure, threaded shank is required. It conforms to NAS 965 Type D specification, making it suitable for high-tolerance work in metal alloys and hardened materials.
What are the specifications of the ROCKY MOUNTAIN TWIST 953CO21SS drill bit?
The ROCKY MOUNTAIN TWIST 953CO21SS is a #21 drill bit with a 0.1590-inch diameter, 1/4"-28 thread size, and 1-1/4" overall length. It features a black oxide cobalt finish and meets NAS 965 Type D standards. 3G Electric supplies this bit for precision drilling tasks.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric sources and delivers ROCKY MOUNTAIN TWIST threaded shank drill bits, including the 953CO21SS, to customers worldwide. We handle full logistics and customs clearance, ensuring you receive the correct NAS 965 Type D bit for your industrial drilling needs.
How to select the right ROCKY MOUNTAIN TWIST drill bit for aerospace work?
For aerospace applications, choose a bit that matches your required thread size and diameter, such as the 1/4"-28 thread and 0.1590-inch diameter of the 953CO21SS. Ensure it meets NAS 965 Type D specification for compatibility with standard aerospace tooling systems.
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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.
