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High Strength Insert Ratchet F Clamp Quick Release Mechanism

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Wuxi Lemar Machinery Equipments Co., Ltd.

City: wuxi

Country/Region:china

Tel:86-510-8888-6966

Contact Person:
Mr.Oscar View Contact Details

High Strength Insert Ratchet F Clamp Quick Release Mechanism

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Brand Name LEMAR
Model Number D28-500-200
Certification CE
Place of Origin WUXI
Minimum Order Quantity 20
Price 1-50 USD
Payment Terms D/A,L/C,D/P,T/T,Western Union
Supply Ability 500 units/month
Delivery Time 15-25 work days
Packaging Details 60×28×18mm
Product type Insert ratcheting F-clamp with quick release
Installation method Plug-in type (D16/D28)
Adjustment method Ratchet wrench + one-button quick release reset
Fine adjustment accuracy ±0.1mm
Surface treatment Electrophoretic paint + galvanized passivation / electrostatic spraying
Applicable workpiece material Carbon steel, stainless steel, aluminum, copper, alloy, etc.
Salt spray test Neutral salt spray≥48h
Flatness 0.05mm
Surface Hardness HRC 45-55
Detailed Product Description
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 NameMaterialRockwell Hardness (HRC)
Main Body F-type Clamp Arm45# High Carbon Steel/Chromium Vanadium Steel (Optional)45-55
Ratchet Gear/WrenchBearing Steel GCr1550-60
Anti-slip ClipHigh Manganese Steel ZGMn1355-60
Quick Release Button/SpringSpring Steel 65Mn/Engineering Plastic PA66--/ Temperature Resistance 80℃
Pin45# High Carbon Steel Overall Quenching48-52
Connecting PinStainless 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:
  • Custom Specifications: Non-standard clamping opening/depth, customized pin sizes (D20/D30), increased clamping force
  • Appearance Customization: Surface treatment colors (red/blue/black), laser engraving customer LOGO/brand name
  • 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.
Product Tags: High Strength Fixture Clamp   HRC 45 Fixture Clamp   MechanismRatchet F Clamp  
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