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APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank - Threaded-Shank Three-Flute Countersinks
APPROVED VENDORThreaded-Shank Three-Flute Countersinks

APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank

The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part…

SKU 3G-OTH-186120

Brand
APPROVED VENDOR
Item
Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank
Category
Threaded-Shank Three-Flute Countersinks
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
421557
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
1/2 in
Shank Thread Size
1/4"-28
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part number 421557.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR 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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APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421556). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421555). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421555). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 100°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421552). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 82°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421510). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 82°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421512). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 82°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421521). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421535). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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APPROVED VENDOR Countersink: 90°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421524). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
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