OEM Countersink: 100°
The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and has a 100° angle. This product is identified by…
SKU 3G-OTH-186135
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.
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and has a 100° angle. This product is identified by manufacturer part number 421545.
Frequently Asked Questions
What is the APPROVED VENDOR 100° countersink used for?
This carbide three-flute countersink creates a 100° chamfer around a pre-drilled hole, allowing a flat-head screw to sit flush with the workpiece surface. It is commonly used in metalworking, aerospace, and automotive applications where precise countersinking is required.
What are the specifications of the APPROVED VENDOR countersink 421545?
The APPROVED VENDOR countersink has a 100° angle, a 3/8 in body diameter, and a 1/4"-28 threaded shank. It features three flutes and is made from carbide. The manufacturer part number is 421545.
Where to buy the APPROVED VENDOR countersink 421545 worldwide?
3G Electric supplies the APPROVED VENDOR countersink 421545 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct threaded-shank countersink?
Select a countersink with a shank thread size matching your tool holder, such as 1/4"-28. Ensure the body diameter is larger than the screw head and the angle matches the screw's head angle, typically 100° for flat-head screws. Carbide tools offer longer life in hard materials.
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.
