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

OEM Countersink: 90° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

OEM Countersink: 90°

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 3/8 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421523).

SKU 3G-OTH-186066

Brand
OEM
Item
Countersink: 90°
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
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Worldwide Shipping
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Technical specs
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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
421523
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
3/8 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 a 90° angle. It features a 3/8 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421523).

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 Countersink 421523 used for?

The APPROVED VENDOR Countersink 421523 is used to create a 90° chamfer or countersink around a pre-drilled hole, allowing a flat-head screw to sit flush with the workpiece surface. It is commonly applied in metalworking, woodworking, and general fabrication where a clean, recessed finish is required.

What are the specifications of the APPROVED VENDOR Countersink 421523?

The APPROVED VENDOR Countersink 421523 has a 90° angle, three flutes, a 3/8 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is designed for use with threaded-shank tool holders. The manufacturer part number is 421523.

Where to buy the APPROVED VENDOR Countersink 421523 worldwide?

You can source the APPROVED VENDOR Countersink 421523 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 on this carbide countersink.

How to select the correct threaded-shank countersink for a job?

To select the correct threaded-shank countersink, match the shank thread size (e.g., 1/4"-28) to your tool holder. Choose the body diameter (e.g., 3/8 in) based on the screw head size. The 90° angle is standard for flat-head screws. Carbide material offers durability for hard materials like steel or stainless steel.

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: 90°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421524)
APPROVED VENDOR Countersink: 90°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421524)
APPROVED VENDOR Countersink: 90°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421525)
APPROVED VENDOR Countersink: 90°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421525)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421518)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421518)
APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421526)
APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421526)
APPROVED VENDOR Countersink: 82°, 3 Flute, 1/4 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421522)
APPROVED VENDOR Countersink: 82°, 3 Flute, 1/4 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421522)
APPROVED VENDOR Countersink: 82°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421521)
APPROVED VENDOR Countersink: 82°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421521)