OEM APPROVED VENDOR Threaded-Shank Three-Flute Countersink
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, a 7/16 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-186077
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 a 90° angle, a 7/16 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421529.
Frequently Asked Questions
What is the APPROVED VENDOR 421529 countersink used for?
The APPROVED VENDOR 421529 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining applications. Its carbide construction provides durability for precision chamfering and deburring on ferrous and non-ferrous materials.
What are the specifications of the APPROVED VENDOR 421529 countersink?
The APPROVED VENDOR 421529 countersink has a 90° angle, 3 flutes, a 7/16 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421529. The shank thread size is 1/4"-28.
Where to buy the APPROVED VENDOR 421529 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421529 countersink to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this carbide threaded-shank countersink.
How to select the correct countersink for a flat-head screw?
Select a countersink with the same angle as the screw head, typically 82° or 90° for flat-head screws. The body diameter must be larger than the screw head, and the shank must match your tool holder. The APPROVED VENDOR 421529 is a 90° carbide option for precision work.
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.
