OEM Countersink: 130°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 130° angle. It features a 7/16 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421571).
SKU 3G-OTH-186118
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 a 130° angle. It features a 7/16 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421571).
Frequently Asked Questions
What is the APPROVED VENDOR 421571 countersink used for?
The APPROVED VENDOR 421571 is a 130° three-flute countersink used to create a conical recess for flat-head screws in metalworking. Its carbide construction suits hardened steels and abrasive materials. 3G Electric supplies this tool across 14 industrial departments, including machining and tooling.
What are the specifications of the APPROVED VENDOR 421571 countersink?
The APPROVED VENDOR 421571 countersink has a 7/16 in body diameter, a 1/4"-28 shank thread size, three flutes, and a 130° angle. It is made of carbide. The manufacturer part number is 421571. 3G Electric sources this tool for global delivery.
Where to buy the APPROVED VENDOR 421571 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421571 countersink worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this carbide, three-flute countersink to your facility. Contact us for availability and lead time.
How to select the correct countersink for a 1/4"-28 threaded shank?
To select a countersink for a 1/4"-28 threaded shank, match the shank thread size exactly to your toolholder. The APPROVED VENDOR 421571 uses a 1/4"-28 shank with a 7/16 in body diameter and 130° angle, suitable for standard flat-head screws. 3G Electric can help confirm compatibility.
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.
