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

OEM Countersink: 100° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

OEM Countersink: 100°

The APPROVED VENDOR Countersink is a 100° threaded-shank three-flute countersink with 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 421548.

SKU 3G-OTH-186136

Brand
OEM
Item
Countersink: 100°
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
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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
421548
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 100° threaded-shank three-flute countersink with 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 421548.

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 421548 countersink used for?

The APPROVED VENDOR 421548 countersink is used to create a 100° conical recess in a workpiece, allowing a flat-head screw to sit flush with the surface. It is commonly applied in metalworking and machining operations where precise countersinking is required.

What are the specifications of the APPROVED VENDOR 421548 countersink?

The APPROVED VENDOR 421548 is a 100° threaded-shank three-flute countersink with 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 421548.

Where to buy the APPROVED VENDOR 421548 countersink worldwide?

You can source the APPROVED VENDOR 421548 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring a smooth procurement process for your facility.

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 421548 features a 1/4"-28 shank and a 7/16 in body diameter, suitable for creating 100° countersinks in carbide-compatible 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: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421550)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421550)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421547)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421547)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421546)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421546)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421545)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421545)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421532)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421532)