ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #28, 9/16" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #28 is a high-speed steel threaded-shank drill bit with a 1/4"-28 thread size and a 0.1405-inch diameter. It features a black oxide finish and meets NAS 965 Type B…
SKU 3G-OTH-192890
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: #28 is a high-speed steel threaded-shank drill bit with a 1/4"-28 thread size and a 0.1405-inch diameter. It features a black oxide finish and meets NAS 965 Type B specifications, with a 9/16" overall length. This bit is identified by manufacturer part number 953HS28ST.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #28 used for?
This high-speed steel drill bit is designed for precision drilling in aerospace and industrial applications requiring a threaded shank. The #28 wire gauge size and NAS 965 Type B compliance make it suitable for fastener hole preparation in metal fabrication and maintenance work.
What are the specifications of the ROCKY MOUNTAIN TWIST 953HS28ST drill bit?
The ROCKY MOUNTAIN TWIST 953HS28ST is a #28 drill bit with a 0.1405-inch diameter, 1/4\"-28 threaded shank, and 9/16\" overall length. It is made from black oxide high-speed steel and meets NAS 965 Type B specifications for aerospace-grade drilling.
Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits like the 953HS28ST to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine industrial tooling for your operations.
How to select the correct threaded shank drill bit for aerospace work?
Select a bit that matches your required thread size and wire gauge, such as the #28 with 1/4\"-28 shank. Ensure it meets NAS 965 Type B specifications for aerospace use. The black oxide HSS construction provides heat resistance and chip evacuation during drilling.
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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.
