ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21, 1-1/4" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21 is a high-speed steel 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…
SKU 3G-OTH-192830
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: #21 is a high-speed steel 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 B standards, with an overall length of 1-1/4 inches (MPN 953HS21SS).
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #21 used for?
This drill bit is used for precision drilling in aerospace and industrial applications where threaded shank retention is required. It conforms to NAS 965 Type B standards, making it suitable for high-tolerance hole making in metals. 3G Electric supplies this bit for worldwide delivery.
What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #21?
The bit has a 0.1590-inch diameter (#21), 1/4"-28 threaded shank, and 1-1/4" overall length. It is made of black oxide high-speed steel (HSS) and meets NAS 965 Type B standards. The manufacturer part number is 953HS21SS.
Where to buy the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #21 worldwide?
3G Electric supplies the ROCKY MOUNTAIN TWIST 953HS21SS drill bit worldwide. As a global industrial distributor, 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 (0.1590" for #21), thread size (1/4"-28), and material compatibility. The black oxide HSS construction suits ferrous metals. Ensure the shank matches your toolholder's thread. 3G Electric can assist with sizing and application guidance.
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Common applications for ROCKY MOUNTAIN TWISTROCKY MOUNTAIN TWIST Products
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.
