OEM Countersink: 82°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part…
SKU 3G-OTH-186123
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.
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421509.
Frequently Asked Questions
What is the APPROVED VENDOR 421509 countersink used for?
The APPROVED VENDOR 421509 is a threaded-shank three-flute countersink used to create an 82° chamfer around a pre-drilled hole for flat-head screws. It is commonly applied in metalworking and machining operations where a precise, burr-free countersink is required.
What are the specifications of the APPROVED VENDOR 421509 countersink?
The APPROVED VENDOR 421509 countersink has an 82° angle, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It features three flutes and is made from carbide. The manufacturer part number is 421509.
Where to buy the APPROVED VENDOR 421509 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421509 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.
How to select the correct threaded-shank countersink for a job?
Select a threaded-shank countersink by matching the shank thread size to your tool holder (e.g., 1/4"-28), choosing the correct body diameter for the screw head, and ensuring the angle matches the screw (82° for flat-head screws). Carbide tools offer longer life in abrasive materials.
OEM Products
3G Electric supplies OEM threaded-shank three-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
