I source high-grade fasteners for demanding assemblies, and I pay attention to what actually stays tight. My offering is {#6 stainless internal tooth lock washer}, engineered to bite into joints and resist loosening in vibration. This washer pairs stainless steel corrosion resistance with an internal tooth profile for secure grip on soft or plated surfaces. In long runs or critical equipment, it prevents back-off and reduces maintenance cycles. When you need consistent fit, I ensure tight tolerances and bulk availability. If you're evaluating options for OEM or aftermarket projects, the {Buy} option gives you reliable performance at scale, while I handle shipments efficiently for {Exporter} customers worldwide. I understand the documentation you require, and I can provide material certificates and packaging to suit your line. Company detail: {}.
Small hardware can determine the reliability of a high-precision assembly. The #6 stainless internal tooth lock washer resists loosening under vibration by its serrated internal teeth that bite into the bolt head and mating surface. Stainless steel provides corrosion resistance, delivering a compact, high-load locking solution that distributes load and reduces fretting. Its slim profile suits limited-clearance applications in electronics, automotive, and machinery. For global buyers, match is key. Ensure the washer size fits your bolt and know the material grade (304 or 316) for your environment. Check thickness and tooth geometry to guarantee a secure bite without substrate damage. Look for clean tooth profiles, tight tolerances, and proper packaging to preserve cleanliness. Request samples and perform quick tests to validate seating, torque, and vibration performance before large orders.
| Size | ID (mm) | OD (mm) | Teeth | Material | Finish | Thickness (mm) | Hardness (HRC) | Tensile Strength (MPa) | Corrosion Rating | Weight (g) | Typical Use |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M4 | 4.0 | 9.0 | 6 | 304 | Passivated | 0.8 | 52 | 520 | Excellent | 0.32 | General machinery |
| M6 | 6.0 | 12.0 | 6 | 316 | Polished/Passivated | 0.9 | 53 | 520 | Saltwater resistant | 0.54 | Outdoor equipment |
| M8 | 8.0 | 14.0 | 6 | 304 | Passivated | 0.9 | 54 | 520 | Good corrosion resistance | 0.66 | Automotive assemblies |
| M10 | 10.0 | 18.0 | 7 | 316 | Polished | 1.0 | 55 | 530 | Excellent in chloride environments | 1.11 | Marine applications |
| M12 | 12.0 | 20.0 | 7-8 | 316 | Passivated | 1.1 | 56 | 530 | Very good corrosion resistance | 1.27 | Heavy automotive |
| M16 | 16.0 | 28.0 | 8 | 316 | Passivated | 1.3 | 57 | 545 | Superior corrosion resistance | 2.62 | High-stress assemblies |