ROCKY MOUNTAIN TWIST Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank
The ROCKY MOUNTAIN TWIST Countersink: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a black oxide cobalt finish and is identified by…
SKU 3G-OTH-186102
Also listed as: 954CO510 · 954CO5 10
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 Countersink: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a black oxide cobalt finish and is identified by manufacturer part number 954CO5-10.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST 100° countersink used for?
The ROCKY MOUNTAIN TWIST 100° countersink is used to create a conical recess for flat-head screws in metalworking and woodworking. Its 100° angle suits aerospace and automotive applications where flush fastening is required. The three-flute design provides smooth cutting and reduced chatter.
What are the specifications of the ROCKY MOUNTAIN TWIST 954CO5-10 countersink?
The ROCKY MOUNTAIN TWIST 954CO5-10 is a 100° threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It has a black oxide cobalt finish for heat resistance and durability. The manufacturer part number is 954CO5-10.
Where to buy ROCKY MOUNTAIN TWIST countersinks worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST countersinks worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 954CO5-10 or other ROCKY MOUNTAIN TWIST tooling for your operations.
How to select the correct ROCKY MOUNTAIN TWIST countersink for my application?
Select a ROCKY MOUNTAIN TWIST countersink by matching the shank thread size (e.g., 1/4"-28) to your tool holder and the body diameter (e.g., 1/2 in) to the screw head size. The 100° angle suits standard flat-head fasteners. For harder materials, choose the black oxide cobalt variant for extended tool life.
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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.
