We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OEM Countersink: 82° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

OEM Countersink: 82°

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 7/16 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-186076

Brand
OEM
Item
Countersink: 82°
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OEM
Manufacturer Part Number
421507
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
7/16 in
Shank Thread Size
1/4"-28

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle, a 7/16 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421507.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the APPROVED VENDOR 421507 countersink used for?

The APPROVED VENDOR 421507 is a threaded-shank three-flute countersink used to create an 82° chamfer around a pre-drilled hole for flat-head screws. It is commonly applied in metalworking and machining operations where a precise, burr-free finish is required on ferrous and non-ferrous materials.

What are the specifications of the APPROVED VENDOR 421507 countersink?

The APPROVED VENDOR 421507 countersink has a 7/16 in body diameter, a 1/4"-28 shank thread size, and an 82° included angle. It features three flutes and is made from carbide. The manufacturer part number is 421507.

Where to buy the APPROVED VENDOR 421507 countersink worldwide?

You can source the APPROVED VENDOR 421507 countersink 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.

How to select the correct countersink for a 1/4"-28 threaded shank?

To select the correct countersink for a 1/4"-28 threaded shank, ensure the shank thread size matches your tool holder. The APPROVED VENDOR 421507 is designed for this thread size. Also verify the body diameter (7/16 in) and angle (82°) match your fastener requirements. Carbide construction offers durability for 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421506)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421506)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421505)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421505)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421501)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421501)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421503)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421503)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421502)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421502)