M3-M14 304 SS Hex Bolt Nut Washer Kit
M3-M14 304 SS Hex Bolt Nut Washer Kit - Image 2
M3-M14 304 SS Hex Bolt Nut Washer Kit - Image 3
M3-M14 304 SS Hex Bolt Nut Washer Kit - Image 4

M3-M14 304 SS Hex Bolt Nut Washer Kit

Material: 304 Stainless Steel (A2-70 Grade)Standard: DIN912 (German Industrial Standard)Size Range: M3-M14Certifications: RoHS & REACH Compliant

Category:

Nominal Diameter (d)Nominal Diameter (d)Nominal Diameter (d)Hexagon Width (s) (in)Accessory Specifications NutFlat WasherSpring Washer
M30.01970.08270.2165M30.11810.23620.01970.11810.03540.0630
M40.02760.11810.2677M40.15750.31500.01970.15750.04960.0898
M50.03150.14170.315M50.19690.35430.03940.19690.05390.1024
M60.03940.15750.3937M60.23620.43310.06300.23620.06690.1220
M80.04920.21650.5118M80.31500.59060.06300.31500.08430.1598
M100.05910.25980.6299M100.39370.70870.06300.39370.09960.1843
M120.06890.30310.7087M120.47240.78740.07870.47240.12170.2319
M140.07870.35430.8661M140.55120.94490.09840.55120.11850.2319
M160.07870.39370.9449M160.62991.10240.09840.62990.14290.2598
M180.09840.46461.063M180.70871.41730.11810.70870.08820.3031
M200.09840.50391.1811M200.78741.45670.07870.78740.18500.3268
M220.09840.55121.2598M220.86611.96850.31500.86610.18230.3476
M240.11810.59061.4173M240.94491.73230.15750.94490.19690.3909
M270.11810.66931.6142M271.06301.96850.09841.06300.20040.4000
M300.13780.7481.811M301.18112.20470.15751.18110.24720.5079
M330.13780.82681.9685M331.29922.36220.19691.29920.31970.6051
M360.15750.90552.1654M361.41732.59840.19691.41730.27560.5354
Product Overview: 304 Stainless Steel Hex Socket Countersunk Screw Set (DIN912 Standard)This complete fastener kit includes countersunk screws, flat washers, and spring washers，all manufactured from A2-70 grade 304 stainless steel (18% Cr, 8% Ni) with tensile strength ≥520MPa. Designed for demanding applications in industrial equipment, outdoor facilities, and building structures. Available in sizes M3 to M14 with a minimum order of 50 pieces, it offers a reliable anti-loosening solution for OEM projects and bulk procurement.

Core Advantages

Vibration Resistance: Spring washers provide continuous elastic force to prevent loosening under dynamic loads.

Corrosion Resistant: Withstands humid, high-temperature, and corrosive environments.

Easy Installation: Hex socket design ensures precise torque transmission with standard Allen keys.

Flush Mounting: Countersunk head sits perfectly flush for a clean finish.

Technical Specifications

Material: 304 Stainless Steel (A2-70 Grade)

Standard: DIN912 (German Industrial Standard)

Size Range: M3-M14

Certifications: RoHS & REACH Compliant

Applications

Industrial Machinery: Machine tools, conveyor systems, and automated equipment.

Outdoor Facilities: Solar panel mounts, ship fittings, and other high-weather-resistance requirements.

Construction: Installation of doors, windows, and structural connections.

Quality Assurance

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