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3G Electric
GENERAL Automatic Center Punch - Automatic Centering Punches
GENERALAutomatic Centering Punches

GENERAL Automatic Center Punch

The GENERAL Automatic Center Punch (MPN 77) is a round automatic centering punch with a 1/8 in tip size, 5/8 in shank diameter, 5/8 in taper length, and 5 in overall length. 3G Electric interprets your demand for…

SKU 3G-OTH-632386

Brand
GENERAL
Item
Automatic Center Punch
Part Number
77
Category
Automatic Centering Punches
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Technical Specifications

GENERAL
Manufacturer Part Number
77
Type
Round
Overall Lg
5 in
Taper Lg
5/8 in
Shank Dia
5/8 in

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

Product Description

The GENERAL Automatic Center Punch (MPN 77) is a round automatic centering punch with a 1/8 in tip size, 5/8 in shank diameter, 5/8 in taper length, and 5 in overall length. 3G Electric interprets your demand for this tool and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is a GENERAL automatic center punch used for?

A GENERAL automatic center punch creates a precise dimple on metal or other materials to guide drill bits, preventing bit wander. It is commonly used in metalworking, fabrication, and maintenance shops for layout and marking before drilling operations.

What are the specifications of the GENERAL automatic center punch MPN 77?

The GENERAL automatic center punch MPN 77 has a 1/8 in tip size, 5/8 in shank diameter, 5/8 in taper length, and 5 in overall length. It features a round body type and requires no adjustment. 3G Electric supplies this tool as part of our industrial offering.

Where to buy a GENERAL automatic center punch worldwide?

3G Electric supplies the GENERAL automatic center punch MPN 77 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this tool as part of our broad industrial supply across 14 departments.

How to maintain a GENERAL automatic center punch?

Keep the tip clean and free of debris to ensure consistent dimple depth. Store the punch in a dry environment to prevent rust. Periodically check the internal spring mechanism for smooth operation; if it becomes sluggish, apply a light machine oil to the moving parts.

Used in

Common applications for GENERAL
Metal fabrication — GENERAL digital calipers (MPN 147, 1478, 14712) for measuring machined parts with 0.0005 in resolution.
Machinery repair — GENERAL ratcheting tap wrench (MPN 162R) for rethreading damaged holes in maintenance operations.
Automotive service — GENERAL automatic center punch (MPN 77) for marking drill points on chassis and engine components.
Industrial assembly — GENERAL horseshoe alnico magnet (MPN 370-6) for holding ferrous parts during welding or positioning.
Plant maintenance — GENERAL magnetic pickup tool (MPN 397) for retrieving dropped metal objects from equipment interiors.
Quality inspection — GENERAL fractional-display digital calipers (MPN 1478) for verifying dimensions of incoming parts.
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GENERAL Products

3G Electric supplies GENERAL automatic 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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