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-186082
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.
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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 421511.
Frequently Asked Questions
What is the APPROVED VENDOR 421511 countersink used for?
The APPROVED VENDOR 421511 countersink is used to create a conical recess for flat-head screws in metalworking and woodworking. Its 82° angle matches standard flat-head screw angles, and the three-flute carbide design provides clean, chatter-free cutting in hard materials.
What are the specifications of the APPROVED VENDOR 421511 countersink?
The APPROVED VENDOR 421511 countersink has a 1/2 in body diameter, a 1/4"-28 shank thread size, and three flutes. It is made of carbide with an 82° angle. The manufacturer part number is 421511, and the shank type is threaded.
Where to buy the APPROVED VENDOR 421511 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421511 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this carbide countersink for your operations.
How to select the right countersink for flat-head screws?
Select a countersink with an 82° angle to match standard flat-head screws. The APPROVED VENDOR 421511 uses a 1/4"-28 threaded shank for secure mounting. For hard materials, choose carbide; for softer materials, high-speed steel may suffice. Ensure the body diameter exceeds the screw head size.
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.
