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MAYHEW PRO Pin Punch: 5/16 in Tip Dia, 7/16 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg - Flat-Tip Pin Removing Punches
MAYHEW PROFlat-Tip Pin Removing Punches

MAYHEW PRO Pin Punch: 5/16 in Tip Dia, 7/16 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg

The MAYHEW PRO Pin Punch (MPN 21503) is a 5/16 in tip diameter flat-tip pin removing punch with a 7/16 in hexagon shank, 3 1/2 in taper length, and 8 in overall length, made of steel and compliant with ASME…

SKU 3G-OTH-733840

Brand
MAYHEW PRO
Item
Pin Punch: 5/16 in Tip Dia, 7/16 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg
Category
Flat-Tip Pin Removing Punches
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Technical Specifications

MAYHEW PRO
Manufacturer Part Number
21503
Type
Hexagon, Steel
Overall Lg
8 in
Shank Wd
7/16 in
Taper Lg
3 1/2 in
View Full Spec Sheet

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

Product Description

The MAYHEW PRO Pin Punch (MPN 21503) is a 5/16 in tip diameter flat-tip pin removing punch with a 7/16 in hexagon shank, 3 1/2 in taper length, and 8 in overall length, made of steel and compliant with ASME B107.410-2008. 3G Electric interprets your demand for this SAE punch and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is a MAYHEW PRO pin punch used for?

A MAYHEW PRO pin punch is used to drive out pins, dowels, and fasteners from assembled components in industrial maintenance, machining, and repair applications. Its flat tip and tapered shank concentrate force precisely, making it essential for disassembly tasks across automotive, manufacturing, and metalworking sectors.

What are the specifications of the MAYHEW PRO 21503 pin punch?

The MAYHEW PRO 21503 pin punch has a 5/16 in tip diameter, 7/16 in hexagon shank width, 3 1/2 in taper length, and 8 in overall length. It is made of steel, SAE-sized, and compliant with ASME B107.410-2008. The hexagon shank prevents rolling on work surfaces.

Where to buy a MAYHEW PRO pin punch worldwide?

3G Electric supplies the MAYHEW PRO pin punch worldwide. We interpret your demand, source the correct SAE punch, and handle full logistics and customs clearance for delivery to any global location. Contact us for availability and lead time on this and other industrial tools across 14 departments.

How to select the right pin punch size?

Select a pin punch with a tip diameter slightly smaller than the pin you are driving to avoid damaging the workpiece. For the MAYHEW PRO 21503, the 5/16 in tip suits pins of similar or slightly larger diameter. Always match the shank shape to your hammer type; hexagon shanks offer better grip and stability.

Used in

Common applications for MAYHEW PRO
Automotive repair — MAYHEW PRO flat chisels (SKU 41GK10) for removing rusted bolts and cutting sheet metal.
Industrial maintenance — MAYHEW PRO gasket scrapers (SKU 54XR59) for cleaning flange surfaces during equipment overhaul.
Metalworking — MAYHEW PRO moil point chisels (SKU 41GK14) for breaking concrete or masonry in demolition tasks.
Precision assembly — MAYHEW PRO hook and pick sets (SKU 54XR53) for retrieving small parts or debris in machinery.
Fastener driving — MAYHEW PRO slotted screwdrivers (SKU 41GK59) for tightening or loosening screws in control panels.
Riveting applications — MAYHEW PRO riveting head chisels (SKU 41GK15) for forming rivet heads in structural assembly.

MAYHEW PRO Products

3G Electric supplies MAYHEW PRO flat-tip pin removing punches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Pin Punch: 3/16 in Tip Dia, 3/8 in Shank Wd, 2 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, SAE (MPN 21501). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 3/16 in Tip Dia, 3/8 in Shank Wd, 2 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, SAE (MPN 21501). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 1/8 in Tip Dia, 5/16 in Shank Wd, 1 in Taper Lg, 4 3/4 in Overall Lg, Hexagon, Steel, SAE (MPN 21002). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 1/8 in Tip Dia, 5/16 in Shank Wd, 1 in Taper Lg, 4 3/4 in Overall Lg, Hexagon, Steel, SAE (MPN 21002). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 3/16 in Tip Dia, 5/16 in Shank Wd, 1 1/4 in Taper Lg, 5 1/4 in Overall Lg, Hexagon, Steel (MPN 21004). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
MAYHEW PRO
Pin Punch: 3/16 in Tip Dia, 5/16 in Shank Wd, 1 1/4 in Taper Lg, 5 1/4 in Overall Lg, Hexagon, Steel (MPN 21004). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 1/4 in Tip Dia, 3/8 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, Flat (MPN 21502). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 1/4 in Tip Dia, 3/8 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, Flat (MPN 21502). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 3/32 in Tip Dia, 1/4 in Shank Wd, 7/8 in Taper Lg, 4 1/2 in Overall Lg, Hexagon, Steel (MPN 21001). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 3/32 in Tip Dia, 1/4 in Shank Wd, 7/8 in Taper Lg, 4 1/2 in Overall Lg, Hexagon, Steel (MPN 21001). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 3/8 in Tip Dia, 1/2 in Shank Wd, 1 1/4 in Taper Lg, 6 in Overall Lg, Hexagon, Steel, Flat (MPN 21105). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 3/8 in Tip Dia, 1/2 in Shank Wd, 1 1/4 in Taper Lg, 6 in Overall Lg, Hexagon, Steel, Flat (MPN 21105). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 3/8 in Tip Dia, 1/2 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, Flat (MPN 21504). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 3/8 in Tip Dia, 1/2 in Shank Wd, 3 1/2 in Taper Lg, 8 in Overall Lg, Hexagon, Steel, Flat (MPN 21504). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
Pin Punch: 5/32 in Tip Dia, 5/16 in Shank Wd, 1 1/4 in Taper Lg, 5 in Overall Lg, Hexagon, Steel (MPN 21003). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.
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Pin Punch: 5/32 in Tip Dia, 5/16 in Shank Wd, 1 1/4 in Taper Lg, 5 in Overall Lg, Hexagon, Steel (MPN 21003). Key specifications — attr1321360: ASME B107.410-2008; attr124929: Hexagon; attr143602: Pin Punch; attr147623: No; attr515766: Steel; attr163639: SAE; attr123556: MAYHEW PRO.