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3G Electric
PROTO J411/2S2 Round Plain Grip Centering Punch - Centering Punches
PROTOCentering Punches

PROTO J411/2S2 Round Plain Grip Centering Punch

The PROTO Center Punch (MPN J411/2S2) is a round, plain-grip centering punch with a 1/2 in tip size, 1/2 in shank diameter, and 5 3/4 in overall length, supplied in a pouch.

SKU 3G-OTH-632619

Also listed as: J4112S2 · J411 2S2 · J411-2S2

Brand
PROTO
Item
J411/2S2 Round Plain Grip Centering Punch
Part Number
J411/2S2
Category
Centering Punches
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Technical Specifications

PROTO
Manufacturer Part Number
J411/2S2
Type
Round, Plain Grip, Pouch
Overall Lg
5 3/4 in
Shank Dia
1/2 in

Technical Documents

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

Product Description

The PROTO Center Punch (MPN J411/2S2) is a round, plain-grip centering punch with a 1/2 in tip size, 1/2 in shank diameter, and 5 3/4 in overall length, supplied in a pouch.

Frequently Asked Questions

What is the PROTO J411/2S2 center punch used for?

The PROTO J411/2S2 center punch creates a precise dimple on metal surfaces to guide drill bits, preventing wandering. It is commonly used in machining, fabrication, and maintenance across industrial departments. 3G Electric supplies this tool as part of its broad industrial equipment offering.

What are the specifications of the PROTO J411/2S2 center punch?

The PROTO J411/2S2 is a round, plain-grip centering punch with a 1/2 in tip size, 1/2 in shank diameter, and 5 3/4 in overall length. It comes supplied in a pouch. These specifications ensure compatibility with standard tooling setups in metalworking applications.

Where to buy the PROTO J411/2S2 center punch worldwide?

3G Electric supplies the PROTO J411/2S2 center punch to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other PROTO tools across our 14 industrial departments.

How to maintain a PROTO center punch for long service life?

To maintain a PROTO center punch, keep the tip sharp and free of burrs by dressing it with a fine stone. Store the punch in its pouch to prevent damage. Avoid striking hardened surfaces, and always use a hammer with a face diameter matching the shank size for consistent impact.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO centering punches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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