OEM Countersink: 82°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 3/8 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-186069
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 3/8 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421503.
Frequently Asked Questions
What is the APPROVED VENDOR 421503 countersink used for?
The APPROVED VENDOR 421503 countersink is used to create a conical recess for flat-head screws in metalworking and woodworking. Its 82° angle and three-flute design provide smooth, chatter-free cutting. The carbide construction suits hard materials like steel and stainless steel.
What are the specifications of the APPROVED VENDOR 421503 countersink?
The APPROVED VENDOR 421503 countersink has an 82° angle, 3/8 in body diameter, and a 1/4"-28 shank thread size. It features three flutes and is made of carbide. The manufacturer part number is 421503. This threaded-shank design allows secure mounting in compatible tool holders.
Where to buy the APPROVED VENDOR 421503 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421503 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time. We source and deliver this carbide countersink to any country.
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 421503 has a 1/4"-28 threaded shank and a 3/8 in body diameter. Verify the countersink angle (82°) matches your screw head angle for a proper fit.
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.
