Wokin 27-Piece Letter Punch Set (6mm / 1/4″)

Wokin 257306 27-Piece Letter Punch Set (6mm / 1/4″) is an industrial metal stamping tool set designed for permanently marking letters, codes, serial numbers, and identification marks onto metal surfaces, timber, leather, and hard plastics.

Key Specifications

• Brand & Model: Wokin Tools / 257306

• Set Quantity: 27 pieces (Complete alphabet “A” to “Z” plus the ampersand symbol “&”)

• Character Character Height / Size: 6 mm (1/4 inch)

• Material: Heavy-duty drop-forged Carbon Steel / CrV alloy steel, induction hardened for long-lasting striking durability

• Hardness: Heat-treated to HRC 58–62 at the character tip to prevent deformation during high-impact strikes

• Shank Shape: Square hexagonal/rectangular body for a secure grip during alignment

• Finish: Sandblasted finish with protective oil coating against rust

• Packaging: Compact, heavy-duty plastic storage box with individual slotted compartments for quick size and letter selection

Applications & Features

• Permanent Identification: Stamp serial numbers, engine numbers, part identifiers, property labels, and initials directly into steel plates, brass, aluminum, copper, wood, or tough synthetic materials.

• High-Impact Hardness: Precision-machined, heat-treated steel heads deliver crisp, clear letter impressions even after repeated impacts from ball pein or stoning hammers.

• Organized Storage: Standard sturdy plastic case keeps stamps sorted sequentially and protects against loss or moisture in workshop environments.