Nut and Bolt Thread Checker (18 Standard, Metric Sizes and 28 Drill Sizes) , 2-in-1 Foldable Size Finder, Screw Identification Gauge with Protractor and Ruler

• Customization: Available
• Material: Stainless Steel
• Type: Pan Head
• Model NO.: Thread Checker,
• Groove: No
• Connection: Hinged Bolts
• Head Style: Counter Sunk Bolt
• Standard: DIN, GB, ANSI, BSW, JIS, GOST
• Grade: 10.9
• Mandrel Material: High Tensile
• Model: Allen Key Button Head Socket Screw
• Screw Size: M2- M30
• Grade.: 10.9
• Shape: Round
• Transport Package: Carton Box
• Specification: M2-M30
• Trademark: hongniu
• Origin: Yangzhou, China
• Production Capacity: 5000000pieces
• Package Size: 10.00cm * 5.00cm * 5.00cm
• Package Gross Weight: 0.500kg

Product Description

• ✓ Precision-Engineered: Constructed from precision CNC-machined 6061-T6 aluminum alloy with ±0.1mm tolerance, adhering to ANSI Go & No-Go Class 2B standards delivers precise thread verification. Ideal for workshops, garages, and professional hardware tasks
• ✓ Complete Metric & Imperial Sizes: 36 thread sizes-18 Metric (M3 × 0.5 to M16 × 2.0) and 18 Standard (#6-32 Coarse to 5/8-18 Fine), includes 28 drill sizes covering 14 Metric (M3 to M9.5) and 14 Imperial (7/64" to 13/32"), plus four standard drill point angles: 55°(BSPT)/60°(NPT)/90°(sheet metal)/118°(general purpose) for workshop versatility
• ✓ Space-Optimized Foldable Design: 180° flip 2-in-1 mechanism transforms into compact 10"x4" size, reduces storage volume by 60% vs traditional thread checkers. Pre-drilled holes allow wall mounting/toolbox storage. Detachable non-slip silicone base stabilizes on metal/wood surfaces during operations
• ✓ Dual-Function Measuring: Embedded 18cm/7" dual-scale ruler + 180° protractor for measuring bolt protrusion depth and precise angle cuts in woodworking or metal fabrication. Beyond basic thread checks. Designed for woodworking, metalworking, and home improvement tasks
• ✓ Heavy-Duty Performance: Anodized finish resists oil/corrosion while laser-etched markings stay legible after repeated use. Built to withstand torque and wear, it is trusted by automotive technicians and metal fabricators

Product Dimensions	20.55 x 4.02 x 0.2 inches; 2.15 Pounds
Country of Origin	China
Item Package Quantity	1
Included Components	Thread Checker,

 

Main products

About us
Jiangsu Hongniu Automotive Parts Co., Ltd.  was founded in June 2000. Located in Tangzhuang Town, the eastern suburbs of the historic and cultural city of Gaoyou, with convenient transportation. The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital of 20 million yuan, total assets of 78 million yuan, and fixed assets of 56 million yuan. Main products: Series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products;  aerospace fasteners, etc. Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc. We have maintained good cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly favored by our customers with our good reputation and excellent quality.

 

FAQ
Q1: What is your main products? 
A1: Our main sale products: series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products;  aerospace fasteners, etc. 

Q2: How long is your delivery time? 
A2: Generally it is 10-15 days if the goods are in stock. or it is over 30 days if the goods are not in stock, it is according to quantity. 

Q3: What is your payment method? 
A3: 30% value of T/T in advance and other 70% balance on B/L copy. For small order less than 5000USD, would suggest you pay 100% inadvance to reduce the bank charges. 

Q4: Can you provide a sample? 
A4: Sure, Our sample is provided free of charge, but not including courier fees. 

Q5: Can you customize the product according to the requirements of drawing sheets and so on? 
A5: Sure, we can customize the products according to your requirements of drawing sheets, samples and so on. Product information include: material, surface treatment, specification and amount.