OEM Countersink: 90°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 3/8 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421523).
SKU 3G-OTH-186066
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. It features a 3/8 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421523).
Frequently Asked Questions
What is the APPROVED VENDOR Countersink 421523 used for?
The APPROVED VENDOR Countersink 421523 is used to create a 90° chamfer or countersink around a pre-drilled hole, allowing a flat-head screw to sit flush with the workpiece surface. It is commonly applied in metalworking, woodworking, and general fabrication where a clean, recessed finish is required.
What are the specifications of the APPROVED VENDOR Countersink 421523?
The APPROVED VENDOR Countersink 421523 has a 90° angle, three flutes, a 3/8 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is designed for use with threaded-shank tool holders. The manufacturer part number is 421523.
Where to buy the APPROVED VENDOR Countersink 421523 worldwide?
You can source the APPROVED VENDOR Countersink 421523 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this carbide countersink.
How to select the correct threaded-shank countersink for a job?
To select the correct threaded-shank countersink, match the shank thread size (e.g., 1/4"-28) to your tool holder. Choose the body diameter (e.g., 3/8 in) based on the screw head size. The 90° angle is standard for flat-head screws. Carbide material offers durability for hard materials like steel or stainless steel.
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.
