ASSORTS British Whitworth BSW & Metric Screws Bolts Pitch Measure Thread Guage 51 Blades

• Master 51-Blade Collection: This professional-grade gauge features 51 precision-cut blades, providing a comprehensive thread identification solution for nearly all standard screws, bolts, and fasteners.
• Dual-Standard Precision (BSW & Metric): A single, versatile tool that covers the two most prominent global standards:
• 55° British Standard Whitworth (BSW): Specifically for classic British thread standards.
• 60° Metric: Optimized for modern engineering and automotive thread requirements.
• Accurate Internal & External Checking: Expertly engineered to verify the thread pitch on both bolts (external threads) and tapped holes or nuts (internal threads) with absolute precision.
• Meticulously Stamped Profiles: Each individual blade is deeply stamped with its specific thread profile and size. These permanent markings are wear-resistant, ensuring a lifetime of legibility even in heavy industrial environments.
• High-Grade Alloy Steel Build: Forged from premium alloy steel, this gauge meets Grade 8.8 hardness standards. Its polished finish provides excellent rust protection, ensuring the tool remains a durable staple in your workshop.
• Versatile Thread Coverage: Designed to identify UNC, UNF, and Metric thread types, making it an essential instrument for automotive restoration, machine maintenance, and metal fabrication projects.
• Quick Identification & Verification: The foldable, fan-style design allows you to cycle through blades rapidly. This streamlines the identification of unknown fasteners, reducing thread-matching time by up to 90%.
• Workshop Essential: Whether you are a professional machinist or a dedicated DIY enthusiast, this tool is critical for ensuring thread compatibility and preventing the costly errors of cross-threading.

Dispatch Time: 1–2 business days
International Delivery: 5–12 business days (location-wise)
Tracking: End-to-end international tracking available
Packaging: Shockproof & secure export packaging
Customs/Duties: May apply based on destination country
Carrier: DHL / FedEx / UPS (depending on region)

Warranty: 6–12 months (manufacturing defects only)
Returns: Accepted for defective, damaged, or incorrect items
Return Window: 7 days from delivery
Replacement: Free replacement for eligible claims
Process: Email support with product video/photos
Note: Used/damaged by customer items not returnable

Read the user manual before first use

Wear safety gloves & eye protection when required

Keep away from children

Do not overload or misuse the product

Store in a dry, moisture-free environment

Clean tools after use to maintain performance