Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PROTO Center Punch: 1/2 in Tip Size, Hexagon, 5 3/4 in Overall Lg, Plain Grip - Centering Punches
PROTOCentering Punches

PROTO Center Punch: 1/2 in Tip Size, Hexagon, 5 3/4 in Overall Lg, Plain Grip

The PROTO J411/2 Center Punch features a 1/2 in tip size and 5 3/4 in overall length, with a hexagon, plain grip design and includes a pouch. 3G Electric interprets customer demand and delivers genuine industrial…

SKU 3G-OTH-632604

Also listed as: J4112 · J411 2 · J411-2

Brand
PROTO
Item
Center Punch: 1/2 in Tip Size, Hexagon, 5 3/4 in Overall Lg, Plain Grip
Category
Centering Punches
Available to Order
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J411/2
Type
Hexagon, Plain Grip, Pouch, 1/2 in, J411/2
Overall Lg
5 3/4 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

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

Product Description

The PROTO J411/2 Center Punch features a 1/2 in tip size and 5 3/4 in overall length, with a hexagon, plain grip design and includes a pouch. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

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

The PROTO J411/2 center punch is used to mark a precise starting point for drilling or machining operations on metal surfaces. Its 1/2 in tip creates a dimple that guides drill bits, preventing wandering. 3G Electric supplies this genuine PROTO tool across 14 industrial departments worldwide.

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

The PROTO J411/2 center punch has a 1/2 in tip size, 5 3/4 in overall length, a hexagon plain grip design, and includes a pouch. The manufacturer part number is J411/2. 3G Electric sources this genuine PROTO tool for global delivery.

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

3G Electric supplies the genuine PROTO J411/2 center punch to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this 1/2 in tip, 5 3/4 in overall length center punch with hexagon grip and pouch.

How to select the right center punch size for metalworking?

Select a center punch tip size matching your drill bit diameter; the PROTO J411/2 with 1/2 in tip suits larger holes. For general layout, a 1/2 in tip provides a clear mark on steel. 3G Electric supplies PROTO punches and can advise on application-specific tooling.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PROTO

View all PROTO parts
Center Punch: 5/8 in Tip Size, Hexagon, 6 1/4 in Overall Lg, Plain Grip, Pouch, 19/32 in, J415/8
PROTO
Center Punch: 5/8 in Tip Size, Hexagon, 6 1/4 in Overall Lg, Plain Grip, Pouch, 19/32 in, J415/8
Center Punch: 1/4 in Tip Size, Round, 1/4 in Shank Dia, 4 3/4 in Overall Lg, Plain Grip, Pouch (MPN J411/4S2)
PROTO
Center Punch: 1/4 in Tip Size, Round, 1/4 in Shank Dia, 4 3/4 in Overall Lg, Plain Grip, Pouch (MPN J411/4S2)
Center Punch: 3/8 in Tip Size, Hexagon, 5 in Overall Lg, Plain Grip, Pouch, 3/8 in, 3/8 in Shank Wd (MPN J413/8)
PROTO
Center Punch: 3/8 in Tip Size, Hexagon, 5 in Overall Lg, Plain Grip, Pouch, 3/8 in, 3/8 in Shank Wd (MPN J413/8)
Center Punch: 5/16 in Tip Size, Hexagon, 4 3/4 in Overall Lg, Plain Grip, Pouch, 5/16 in, J415/16
PROTO
Center Punch: 5/16 in Tip Size, Hexagon, 4 3/4 in Overall Lg, Plain Grip, Pouch, 5/16 in, J415/16
Center Punch: 5/8 in Tip Size, Round, 5/16 in Shank Dia, 4 3/4 in Overall Lg, Plain Grip, Pouch (MPN J415/16S2)
PROTO
Center Punch: 5/8 in Tip Size, Round, 5/16 in Shank Dia, 4 3/4 in Overall Lg, Plain Grip, Pouch (MPN J415/16S2)
Center Punch: 1/4 in Tip Size, Hexagon, 4 3/4 in Overall Lg, Plain Grip, Pouch, 1/4 in, J411/4
PROTO
Center Punch: 1/4 in Tip Size, Hexagon, 4 3/4 in Overall Lg, Plain Grip, Pouch, 1/4 in, J411/4
Center Punch: 1/2 in Tip Size, Round, 1/2 in Shank Dia, 5 3/4 in Overall Lg, Plain Grip, Pouch (MPN J411/2S2)
PROTO
Center Punch: 1/2 in Tip Size, Round, 1/2 in Shank Dia, 5 3/4 in Overall Lg, Plain Grip, Pouch (MPN J411/2S2)
Center Punch: 3/8 in Tip Size, Round, 3/8 in Shank Dia, 5 in Overall Lg, Plain Grip, Pouch, 3/8 in (MPN J413/8S2)
PROTO
Center Punch: 3/8 in Tip Size, Round, 3/8 in Shank Dia, 5 in Overall Lg, Plain Grip, Pouch, 3/8 in (MPN J413/8S2)