EXW Singapore — collect or forward from our Singapore office.

3G Electric
GREENLEE K3BB-2-1/2 Round Knockout Punch & Die Set, 2 29/32 in - Greenlee Knockout Punches & Dies
GREENLEEGreenlee Knockout Punches & Dies

GREENLEE K3BB-2-1/2 Round Knockout Punch & Die Set, 2 29/32 in

The GREENLEE Knockout Punch Set (MPN K3BB-2-1/2) is a round punch and die set for 10 ga sheet metal capacity in steel, with a 2 29/32 in nominal size. It includes a 2 in wrench and is made of copper. This Greenlee…

SKU 3G-OTH-291570

Also listed as: K3BB212 · K3BB 2 1 2 · K3BB-2-1-2

Brand
GREENLEE
Item
K3BB-2-1/2 Round Knockout Punch & Die Set, 2 29/32 in
Part Number
K3BB-2-1/2
Category
Greenlee Knockout Punches & Dies
Available to Order
Also known as:K3BB-2-1/2GREENLEE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GREENLEE
Manufacturer Part Number
K3BB-2-1/2
Type
Round
Nominal Size
2 29/32 in

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

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

Product Description

The GREENLEE Knockout Punch Set (MPN K3BB-2-1/2) is a round punch and die set for 10 ga sheet metal capacity in steel, with a 2 29/32 in nominal size. It includes a 2 in wrench and is made of copper. This Greenlee product is designed for creating clean holes in sheet metal.

Frequently Asked Questions

What is the GREENLEE Knockout Punch Set K3BB-2-1/2 used for?

The GREENLEE K3BB-2-1/2 is used to create clean, round holes in 10 ga steel sheet metal. It is commonly applied in electrical panel fabrication, junction box installation, and metal enclosure work where precise knockout openings are required for conduit or cable entry.

What are the specifications of the GREENLEE K3BB-2-1/2 knockout punch set?

The GREENLEE K3BB-2-1/2 is a round punch and die set with a 2 29/32 in nominal size, designed for 10 ga steel sheet metal capacity. It includes a 2 in wrench and features a copper construction. The manufacturer part number is K3BB-2-1/2.

Where to buy the GREENLEE K3BB-2-1/2 knockout punch set worldwide?

3G Electric supplies the GREENLEE K3BB-2-1/2 knockout punch set worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this Greenlee tool for your project.

How to use the GREENLEE K3BB-2-1/2 knockout punch set?

To use the GREENLEE K3BB-2-1/2, first drill a pilot hole in the 10 ga steel sheet metal. Insert the punch through the die from the opposite side, then use the included 2 in wrench to tighten the assembly, drawing the punch through the metal to create a clean 2 29/32 in round hole.

Used in

Common applications for GREENLEE
Electrical construction — Greenlee JRF-4XLP cable stripper for stripping stranded wire from 1/2 to 3 inches in diameter.
Industrial maintenance — Greenlee G2090 cable cutting tool for cutting solid wire from 8 AWG to 750 kcmil.
Utility line work — Greenlee 1903 cable slitter for cutting cables from 8 AWG to 1250 kcmil with carbon steel blade.
Panel building — Greenlee 20243 Kwik Stripper blade cassette for stripping insulation from control wires.
Motor control wiring — Greenlee JRF-REPR blade kit for restoring stranded wire stripping performance on model 35ML98.
Structured cabling — Greenlee 03961 rounded-edge blades for stripping round cable jackets up to 3 inches.
Not sure this is the right part? Photo-identify it→

GREENLEE Products

3G Electric supplies GREENLEE greenlee knockout punches & dies. 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 →

More from GREENLEE

View all GREENLEE parts →
Manual-hydraulic knockout punch and die set for creating holes in 10 ga sheet metal (steel) and plastics. Nominal size 4 35/64 in. Requires compatible knockout driver for operation
GREENLEE
Manual-hydraulic knockout punch and die set for creating holes in 10 ga sheet metal (steel) and plastics. Nominal size 4 35/64 in. Requires compatible knockout driver for operation
This GREENLEE knockout punch and die set produces a 31/64 in hole in 16 ga sheet steel. It includes a 7/16 in wrench and is supplied in a plastic carrying case. Used for creating clean openings in electrical enclosures, panels, and junction boxes for conduit fittings or cable connectors
GREENLEE
This GREENLEE knockout punch and die set produces a 31/64 in hole in 16 ga sheet steel. It includes a 7/16 in wrench and is supplied in a plastic carrying case. Used for creating clean openings in electrical enclosures, panels, and junction boxes for conduit fittings or cable connectors
Battery-hydraulic knockout punch and die kit with a 57/64 in nominal size. Designed for 10 ga sheet steel capacity. Brass construction. Used for creating clean holes in metal panels for electrical enclosures, junction boxes, and control panels
GREENLEE
Battery-hydraulic knockout punch and die kit with a 57/64 in nominal size. Designed for 10 ga sheet steel capacity. Brass construction. Used for creating clean holes in metal panels for electrical enclosures, junction boxes, and control panels

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first