Product Description
Our double hand rivet gun jaws are precision-forged from premium 35Cr-Mo alloy steel with heat treatment, delivering exceptional hardness, excellent wear resistance and long service life. Designed specifically for double hand rivet guns, the 3-jaw structure provides strong clamping force and secure grip, preventing slippage during riveting to ensure stable and reliable fastening. Available in 4.8mm and 6.4mm sizes, these are essential wear parts for double hand rivet guns — ideal for sheet metal fabrication, automotive repair, construction, furniture manufacturing and more.
Product Features
- 35Cr-Mo Alloy Steel Material: Forged from high-quality 35 chromium molybdenum alloy steel with through-hardening and tempering, offering superior hardness, excellent toughness, strong fatigue resistance and much longer service life than ordinary carbon steel jaws
- 3-Jaw Clamping Design: Three-jaw evenly distributed structure provides strong clamping force and tight grip, preventing rivet slippage during operation and improving riveting efficiency and quality
- Precision Tooth Machining: Precision-ground jaw teeth with sharp tips and optimal bite depth ensure reliable clamping force without damaging the rivet mandrel surface
- Complete Specifications: Available in 4.8mm and 6.4mm sizes, covering most blind rivet dimensions and compatible with various double hand rivet guns
- Wear & Fatigue Resistant: 35Cr-Mo material offers excellent wear resistance and fatigue strength, maintaining reliable clamping performance even under high-frequency use and reducing replacement frequency
- Easy Installation & Replacement: Standardized design allows quick and easy disassembly and replacement without specialized tools, reducing maintenance costs
- Surface Treatment: Anti-rust surface treatment provides excellent corrosion resistance for various working environments, with long shelf life without rusting
- Cost-Effective: Factory-direct supply at competitive prices with consistent quality — the ideal choice for routine rivet gun maintenance
Specifications
Item No.
Size
Material
Box Qty
Carton Qty
Unit Weight
Gross Weight
W99551
4.8mm
35Cr-Mo
10pcs
500pcs
0.010kg
5.00kg
W99552
6.4mm
35Cr-Mo
10pcs
500pcs
0.010kg
5.00kg
Key Features:
- Material: 35Cr-Mo Alloy Steel
- Type: Double Hand Rivet Gun Jaws (3-Jaw)
- Size: 4.8mm / 6.4mm
- Jaw Count: 3 Jaws
- Hardness: Heat treated for high hardness
- Surface: Anti-rust treatment
- Application: Double hand rivet gun replacement parts
Application Scenarios
- Sheet Metal Fabrication: Metal sheet riveting, chassis and cabinet manufacturing, sheet metal assembly
- Automotive Repair & Manufacturing: Auto body repair, interior trim installation, component riveting
- Construction & Decoration: Aluminum ceiling installation, curtain wall construction, door & window installation, signage fabrication
- Furniture Manufacturing: Steel furniture, office furniture, kitchenware assembly and riveting
- Aerospace & Shipbuilding: Aircraft maintenance, ship construction riveting operations
- Electrical & Electronics: Distribution boxes, control cabinets, electronic equipment housing riveting
- General Maintenance & DIY: Home repair, DIY projects, hobbyist riveting tasks
- Industrial Production Lines: High-volume riveting operations, automated production line use
Why Choose Us
- Professional Tool Manufacturer: With years of dedicated experience in hand tools and accessories R&D and manufacturing, we operate a comprehensive production system with rigorous quality control processes. Our products are exported to numerous countries and regions worldwide.
- Strict Quality Testing: Every batch of jaws undergoes hardness testing, dimensional accuracy inspection and clamping force testing to ensure stable and reliable product quality.
- Premium Raw Materials: We use high-grade 35Cr-Mo alloy steel forging, guaranteeing product quality from the source — with hardness, toughness and wear resistance reaching industry-leading levels.
- Standardized Production: Precision forging and CNC machining processes ensure consistent dimensions and high interchangeability, compatible with mainstream brands of double hand rivet guns on the market.
- Customization Services: We offer OEM/ODM services tailored to customer needs, including custom sizes, materials and packaging for jaw products.
- Fast Response Service: Our professional foreign trade team provides 24/7 rapid response, ensuring prompt answers to customer inquiries and efficient order processing.
- Reliable Supply Capacity: With a large production base and ample inventory, we guarantee on-time delivery even for bulk orders — keeping your sales cycle on track.
- Competitive Pricing: Factory-direct supply eliminates middlemen, offering customers more competitive prices and higher profit margins.
FAQ
Q1: What part of a rivet gun are the jaws? How often should they be replaced?
A: Jaws are the core clamping component of a rivet gun, located inside the gun head. They grip the rivet mandrel through a 3-jaw closing mechanism to perform the riveting action. Replacement frequency depends on usage frequency and working environment. For normal industrial use, we recommend inspection and replacement every 10,000-20,000 operations, or whenever you experience slippage or weak clamping force.
Q2: What’s the difference between 4.8mm and 6.4mm sizes? How do I choose?
A: 4.8mm and 6.4mm refer to the rivet mandrel diameter the jaws are designed for. The 4.8mm size works with small to medium blind rivets (3.2mm, 4.0mm, 4.8mm), while the 6.4mm size works with larger blind rivets (5.0mm, 6.4mm). Choose based on the rivet sizes you commonly work with. We recommend keeping both sizes on hand for different applications.
Q3: Are the jaws sold as a set of three, or individually?
A: Rivet gun jaws are typically used in sets of three, housed inside the jaw nut to form the 3-jaw clamping structure. This product is priced per piece (0.010kg each), packed 10 pieces per box. When replacing, we recommend replacing all three jaws at the same time to ensure even clamping force and extend overall service life.
Q4: What’s the difference between 35Cr-Mo and regular carbon steel jaws?
A: 35Cr-Mo is a chromium molybdenum alloy steel that offers higher hardness, better toughness and superior wear resistance compared to ordinary carbon steel. 35Cr-Mo jaws last 30%-50% longer than carbon steel jaws, making them especially suitable for high-frequency, heavy-duty industrial riveting operations — significantly reducing replacement frequency and operating costs.
Q5: How do I install and replace the jaws? Do I need special tools?
A: Replacing jaws generally doesn’t require special tools. Simply unscrew the jaw nut from the rivet gun head, remove the old jaws, place the new jaws inside the jaw nut with the beveled side inward and toothed side outward, then retighten. Make sure all three jaws are evenly positioned and properly aligned. Refer to your rivet gun manual for specific instructions.
Q6: Do you offer OEM branding? What’s the minimum order quantity?
A: Yes, we offer OEM services with custom brand logos on product packaging. MOQ varies depending on the size and packaging requirements. Please contact our foreign trade team for detailed quotes and lead times.




