ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #21, 13/32" 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-195580
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- 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 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 specifications, with an overall length of 13/32". This product is identified by manufacturer part number 953CO21VS.
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 requiring NAS 965 Type D compliance. Its 0.1590-inch diameter and 1/4"-28 thread size make it suitable for creating holes in hardened materials where a secure threaded shank is needed.
What are the specifications of the ROCKY MOUNTAIN TWIST 953CO21VS drill bit?
The ROCKY MOUNTAIN TWIST 953CO21VS is a #21 drill bit with a 0.1590-inch diameter, 1/4"-28 thread size, and 13/32" overall length. It features a black oxide finish on cobalt steel and conforms to NAS 965 Type D standards. The manufacturer part number is 953CO21VS.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits like the 953CO21VS to customers 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 pricing.
How to select the correct ROCKY MOUNTAIN TWIST drill bit for aerospace work?
Select based on required hole diameter, thread size, and material. The ROCKY MOUNTAIN TWIST 953CO21VS offers a 0.1590-inch diameter with 1/4"-28 threads and NAS 965 Type D compliance for aerospace standards. Ensure the shank matches your tool holder and the cobalt material suits the workpiece hardness.
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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.
