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

APPROVED VENDOR Countersink: 82°, 1 Flute, 3/4 in Body Dia - Fast-Cutting Single-Flute Countersinks
APPROVED VENDORFast-Cutting Single-Flute Countersinks

APPROVED VENDOR Countersink: 82°, 1 Flute, 3/4 in Body Dia

SKU 3G-OTH-185311

Brand
APPROVED VENDOR
Item
Countersink: 82°, 1 Flute, 3/4 in Body Dia
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
21MK99
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Frequently Asked Questions

What is the APPROVED VENDOR 21MK99 countersink used for?

The APPROVED VENDOR 21MK99 is a fast-cutting single-flute countersink used to create 82° chamfered holes in metal, wood, or plastic. It is commonly applied in deburring and countersinking operations for screw heads in manufacturing, maintenance, and fabrication shops.

What are the specifications of the APPROVED VENDOR 21MK99 countersink?

The APPROVED VENDOR 21MK99 countersink has an 82° angle, 1 flute, and a 3/4 in body diameter. It is made of high-speed steel (HSS) for durability. The manufacturer part number is 21MK99, and it is designed for fast, single-flute cutting action.

Where to buy the APPROVED VENDOR 21MK99 countersink worldwide?

You can source the APPROVED VENDOR 21MK99 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 right countersink for 82° holes?

To select the right countersink for 82° holes, match the angle exactly to your screw head specification. Choose a body diameter slightly larger than the screw head. For general-purpose work, high-speed steel (HSS) like the APPROVED VENDOR 21MK99 offers good wear resistance and cutting speed.

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 fast-cutting single-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
APPROVED VENDOR Countersink Set: 82°, 5 Pc, 1/4 in to 1 in, 1 Flute, High Speed Steel (MPN 21ML06). Key specifications — attr1301063: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink Set: 82°, 5 Pc, 1/4 in to 1 in, 1 Flute, High Speed Steel (MPN 21ML06). Key specifications — attr1301063: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 6 Flute, 1 1/4 in Body Dia, High Speed Steel (MPN 21ML38). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 6 Flute, 1 1/4 in Body Dia, High Speed Steel (MPN 21ML38). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 6 Flute, 3/4 in Body Dia, High Speed Steel (MPN 21ML28). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 6 Flute, 3/4 in Body Dia, High Speed Steel (MPN 21ML28). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 6 Flute, 5/8 in Body Dia, High Speed Steel (MPN 21ML30). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 6 Flute, 5/8 in Body Dia, High Speed Steel (MPN 21ML30). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 6 Flute, 1/2 in Body Dia, High Speed Steel (MPN 21ML34). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 6 Flute, 1/2 in Body Dia, High Speed Steel (MPN 21ML34). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 6 Flute, 1 in Body Dia, High Speed Steel (MPN 21ML18). Key specifications — attr1301035: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 6 Flute, 1 in Body Dia, High Speed Steel (MPN 21ML18). Key specifications — attr1301035: APPROVED VENDOR.

More from APPROVED VENDOR

View all APPROVED VENDOR parts
APPROVED VENDOR Countersink: 82°, 1 Flute, 1 in Body Dia, High Speed Steel (MPN 21ML03). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 1 in Body Dia, High Speed Steel (MPN 21ML03). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 1 Flute, 1/4 in Body Dia, High Speed Steel (MPN 21ML02). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 1/4 in Body Dia, High Speed Steel (MPN 21ML02). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 1 Flute, 3/8 in Body Dia, High Speed Steel (MPN 21MK98). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 3/8 in Body Dia, High Speed Steel (MPN 21MK98). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 1 Flute, 1/2 in Body Dia, High Speed Steel (MPN 21MK97). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 1/2 in Body Dia, High Speed Steel (MPN 21MK97). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 1 Flute, 5/8 in Body Dia, High Speed Steel (MPN 21ML01). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 5/8 in Body Dia, High Speed Steel (MPN 21ML01). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 1 Flute, 1 1/4 in Body Dia, High Speed Steel (MPN 21ML04). Key specifications — Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 1 Flute, 1 1/4 in Body Dia, High Speed Steel (MPN 21ML04). Key specifications — Brand: APPROVED VENDOR.