OEM Countersink: 82°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 1/2-inch body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part…
SKU 3G-OTH-186108
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 APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 1/2-inch body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421508.
Frequently Asked Questions
What is the APPROVED VENDOR 421508 countersink used for?
The APPROVED VENDOR 421508 countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. Its 82° angle matches standard flat-head screw angles, and the three-flute design provides smooth cutting and chip evacuation in materials like steel and aluminum.
What are the specifications of the APPROVED VENDOR 421508 countersink?
The APPROVED VENDOR 421508 countersink has an 82° included angle, a 1/2 in body diameter, and a 1/4"-28 threaded shank. It is made of carbide and features three flutes. The manufacturer part number is 421508, and the brand is APPROVED VENDOR.
Where to buy the APPROVED VENDOR 421508 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421508 countersink 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 lead time on this carbide threaded-shank countersink.
How to select the correct countersink for a 1/4"-28 shank?
To select a countersink for a 1/4"-28 shank, ensure the shank thread size matches your tool holder. The APPROVED VENDOR 421508 has a 1/4"-28 threaded shank and a 1/2 in body diameter. For flat-head screws, choose an 82° angle countersink to match standard screw head angles.
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.
