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High Strength Insert Ratchet F Clamp with Quick Release Mechanism
This heavy-duty manual clamping tool is specifically designed for metal manufacturing, welding, sheet metal, and 3D welding workbenches. Featuring a high-strength one-piece structure, ratchet labor-saving transmission, pin quick installation, and one-button quick release, it addresses the limitations of traditional F clamps including slow clamping, slow loosening, unstable installation, and deformation susceptibility. It serves as the core fixture for industrial-grade welding and assembly applications.
Material Specifications
Part Name
Material
Rockwell Hardness (HRC)
Main Body F-type Clamp Arm
45# High Carbon Steel/Chromium Vanadium Steel (Optional)
45-55
Ratchet Gear/Wrench
Bearing Steel GCr15
50-60
Anti-slip Clip
High Manganese Steel ZGMn13
55-60
Quick Release Button/Spring
Spring Steel 65Mn/Engineering Plastic PA66
--/ Temperature Resistance 80℃
Pin
45# High Carbon Steel Overall Quenching
48-52
Connecting Pin
Stainless Steel 304
--
Core Structural Features
Integrated F-type Clamp Arm: Main load-bearing structure made of high-carbon steel/chromium vanadium steel integrated stamping, resistant to bending and impact while preventing deformation and fracture
Precision Ratchet Transmission Group: Composed of GCr15 bearing steel gears and labor-saving wrenches with 1:5 transmission ratio for rapid advancement and precise fine-tuning of clamping arm
One-button Quick Release Mechanism: Built-in 65Mn spring steel quick release button with return spring for instant unlocking of clamping slider without reverse twisting
Standardized Plug-in Pins: D16/D28 specifications with ±0.05mm tolerance for direct insertion into 3D welding table grid holes, offering tool-free fixation and 360° adjustability
High Manganese Steel Anti-slip Clamp: Twill tooth surface design increases workpiece friction and prevents shifting during welding; optional rubber-coated version protects precision metal surfaces
Stainless Steel Connecting Pin: Made of 304 stainless steel for wet and welding slag environments, preventing rust and jamming while improving overall service life
Product Warranty and Customization Services
Industrial Grade Warranty
Standard products include 1-year free warranty with 2-year warranty on core components including ratchet mechanism, quick-release mechanism, and pins
During warranty period, non-human damage (material defects, workmanship problems) results in free replacement parts or entire machine with manufacturer covering shipping costs
Lifetime technical support for usage, maintenance, and troubleshooting questions
Customization Services
Manufacturer provides one-stop customization services with no minimum order quantity threshold:
Packaging Customization: Custom color box/outer box LOGO, multi-language instructions (English/Spanish/German/French/Polish), gift box packaging
Function Customization: Magnetic base addition, digital display clamping force meter, extended clamping arm
Correct Usage Specifications
Do not exceed maximum clamping force marked on product to prevent clamp arm deformation and ratchet damage
Clean oil, welding slag, and iron filings from workpiece and clamping surfaces before use to ensure tight clamping and prevent slipping
Gently insert pins into welding table grid holes without forcing to prevent pin deformation and grid hole damage
Avoid striking precision components (ratchets, quick-release buttons) with hard objects like hammers and wrenches to prevent structural damage
Frequently Asked Questions
Q: Can the insert pin be customized to D20/D30 size?
A: Yes, we support custom insert pin sizes (D20/D30/D40, etc.). Samples are ready in 3-7 days with minimum order quantity of only 5 pieces.
Q: Is the quick release button easy to damage? What is the service life?
A: The quick release button is made of 65Mn spring steel and PA66 engineering plastic, rated for over 150,000 presses without failure. The quick release mechanism includes a 2-year warranty.
Q: Can the clamp be used for aluminum alloy workpieces without scratching?
A: Yes, optional rubber-coated jaws prevent scratching aluminum alloy surfaces. Rubber-coated jaws are available for separate purchase.
Q: What is the delivery time for bulk orders (≥500 pieces)?
A: Standard models are in stock with bulk order delivery in 7-15 days. Overseas warehouses in US/EU/SE Asia enable 1-3 day delivery.
Q: Do you support laser engraving the customer's LOGO on the clamp?
A: Yes, we support free laser engraving of customer LOGO/brand name on clamp body with no minimum order quantity. Engraving results are clear and durable.
