ROCKY MOUNTAIN TWIST Threaded-Shank Three-Flute Countersink
The ROCKY MOUNTAIN TWIST Countersink is a threaded-shank three-flute countersink with a 100° angle, 3 flutes, and a 1/2 in body diameter. It features a 1/4"-28 shank thread size and is identified by manufacturer part…
SKU 3G-OTH-186101
Also listed as: 954HS521 · 954HS5 21
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Product Description
The ROCKY MOUNTAIN TWIST Countersink is a threaded-shank three-flute countersink with a 100° angle, 3 flutes, and a 1/2 in body diameter. It features a 1/4"-28 shank thread size and is identified by manufacturer part number 954HS5-21.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Countersink used for?
The ROCKY MOUNTAIN TWIST Countersink is used to create a conical recess for flat-head screws in metal or wood. Its 100° angle and three-flute design provide smooth, chatter-free cutting. It is commonly used in aerospace, automotive, and general machining applications where precise countersinking is required.
What are the specifications of the ROCKY MOUNTAIN TWIST Countersink?
The ROCKY MOUNTAIN TWIST Countersink has a 100° included angle, 3 flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. The manufacturer part number is 954HS5-21. It is a threaded-shank three-flute countersink designed for use with compatible holders or drill chucks.
Where to buy the ROCKY MOUNTAIN TWIST Countersink worldwide?
3G Electric supplies the ROCKY MOUNTAIN TWIST Countersink worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this countersink to support your machining operations.
How to select the correct ROCKY MOUNTAIN TWIST Countersink?
Select the ROCKY MOUNTAIN TWIST Countersink based on your screw head angle and material. The 100° angle matches common flat-head screws. Ensure your tool holder accepts a 1/4"-28 threaded shank. For hard materials, choose a countersink with appropriate flute geometry. 3G Electric can help you confirm compatibility.
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Common applications for ROCKY MOUNTAIN TWISTROCKY MOUNTAIN TWIST Products
3G Electric supplies ROCKY MOUNTAIN TWIST threaded-shank three-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- This carbide countersink features three flutes and a 100° angle for creating countersunk holes in metal or plastic. With a 7/16 in body diameter and 1/4"-28 threaded shank, it is designed for use in threaded-shank toolholders. Suitable for deburring and chamfering operations in machining and fabrication
- OSG OSG Thread Forming Tap: 5/16"-24 UNF, H4 / 2B-3B, Plug Chamfer, TiN Coated Cobalt (MPN 1400133805)