Cr-V Steel Letter Stamp Set HRC 60-62 - 3mm-10mm

Product Overview

Engineered for industrial serialization, metal identification, leathercrafting, and custom woodworking, our Cr-V Steel Letter Stamp Set offers unmatched hardness and stamping precision. Crafted from high-grade Chromium-Vanadium (Cr-V) steel and subjected to full high-frequency quenching, each punch achieves an exceptional Rockwell hardness of HRC 60–62. This ensures clean, sharp, and consistent letter impressions without mushrooming, deforming, or dulling under heavy hammer impacts. Packed in a heavy-duty, organized ABS plastic storage case, this set is available in font heights from 3mm to 10mm to meet all your permanent marking requirements.

Key Features

Premium Cr-V Steel & HRC 60-62 Hardness:Made from premium Chromium-Vanadium steel with full high-frequency quenching, reaching HRC 60-62 hardness for long-lasting wear resistance.

Sharp & Consistent Stamping Impressions:Precision-machined letter heads ensure crisp, sharp character bevels, giving controlled font depth and legible impressions on various substrates.

Anti-Mushrooming & Impact Resistant:Optimized heat-treatment prevents the striking end from mushrooming or splitting under repeated heavy hammer strikes.

Sturdy ABS Storage Box:Comes housed in a tough ABS plastic case with individual slots for each stamp, keeping characters organized, clean, and easily accessible.

Full Range of Sizes:Available in 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm sizes to suit micro-marking or large serial number stamping.

Applications

Metal Machinery & VIN Marking: Stamping serial numbers, model codes, and VINs on steel, aluminum, brass, and iron plates.

Leathercrafting & Tool Personalization: Embossing names, initials, or logos onto leather belts, wallets, and saddles.

Jewelry & Custom Crafting: Marking hallmark letters on silver, gold, copper, and soft alloy jewelry.

Woodworking & Tool Identification: Permanent marking on wooden furniture, machinery parts, and hand tool shanks.

Specifications

Why Choose Us

True HRC 60-62 Hardness: Unlike cheap carbon steel stamps that dull quickly, our Cr-V steel stamps hold sharp edges through thousands of impacts.

Precision Typography Alignment: Precision-milled letter geometry ensures every stamped character is clean and proportional.

Heavy-Duty ABS Protective Packaging: Designed to withstand rough job site transportation without cracking or spilling components.

Direct B2B Wholesale Supply: Competitive direct pricing, full size availability, and reliable supply capacity for hardware importers.

Customization Services

We support international tool brands, hardware distributors, and craft suppliers:

Custom Character Sets: Combine Letters (A-Z), Numbers (0-9), and custom symbols (e.g., @, #, &, ★) into unique set configurations.

Custom Box Colors & Branding: Mold ABS storage cases in custom brand colors (e.g., Red, Blue, Yellow, Black) with silk-screened logos.

Laser Marking on Stamp Shanks: Laser-etch size markings, brand logos, or part numbers directly onto each steel stamp body.

Custom Font Styles: Custom CNC engraving for specialized corporate fonts or decorative calligraphic letter stamps.

FAQ

Q1: What materials can these Cr-V steel letter stamps be used on?

A: With a hardness of HRC 60–62, these stamps easily mark mild steel, brass, copper, aluminum, cast iron, plastics, wood, and genuine leather.

Q2: What characters are included in a standard 27-piece letter stamp set?

A: A standard set includes 27 stamps containing the 26 uppercase English letters (A through Z) plus the ampersand symbol (&).

Q3: How do I ensure a straight and clean letter impression when hammering?

A: Hold the steel stamp perpendicular (90 degrees) to the workpiece surface, keep it steady, and strike the top end firmly once with a brass or heavy steel hammer. Avoid double-striking to prevent ghosting.

Q4: Are these stamps rust-proofed for long-time storage?

A: Yes, each steel stamp is coated with an anti-rust oil finish and sealed inside the enclosed ABS case to prevent oxidation during storage and transit.

Q5: What is the Minimum Order Quantity (MOQ) and lead time for OEM branding orders?

A: The standard MOQ for custom ABS case colors, private label printing, or laser etching is 500 to 1000 sets per size, with production delivery within 25 to 35 days.