Flat Washers GB/T 97.1

Flat washers to GB/T 97.1 for load spreading and surface protection. Filter by ID, OD, thickness, material and finish.

Estimate weight → Fastener Weight Calculator

Key Parameters

Standard Basis

GB/T 97.1

Common equivalents are listed below; confirm dimensions and drawing details before substitution.

Spec Range

M3–M36 · 11 sizes / 56 SKUs

Stainless 304, Stainless 316, Stainless 316L, Carbon Steel; Zinc Plated, Hot-Dip Galvanized, Dacromet

Grades

Confirm grade together with mating nuts, washers and certificate requirements.

What to include

Quoted by full spec

A washer is not defined by inner diameter alone. Outer diameter, thickness, material and finish affect bearing area, corrosion isolation and stack height. Recheck OD and thickness when substituting standards.

Standard Equivalents

Cross-referenced equivalents, order to the primary standard

StandardFitRemark
GB GB/T 97.1Identical familyChinese flat washer standard family
DIN DIN 125Commercial equivalentCommon commercial equivalent; confirm dimensions
ISO ISO 7089Commercial equivalentCommon commercial equivalent; confirm dimensions
Diameter
Length
Material
Finish

Flat washers to GB/T 97.1 for load spreading and surface protection. Filter by ID, OD, thickness, material and finish.

Spec Range

M3–M36 · 11 sizes

SKU Matrix

56 SKUs
SKUSize (Dia × Len)Material / FinishThreadingPitchUnit Wt (g)Action
Flat Washers M3 Carbon Steel Zinc PlatedFW-000066M3
Carbon Steel· Zinc Plated5 material/finish options
0.1 Estimated
Flat Washers M4 Carbon Steel Zinc PlatedFW-000071M4
Carbon Steel· Zinc Plated5 material/finish options
0.3 Estimated
Flat Washers M5 Carbon Steel Zinc PlatedFW-000076M5
Carbon Steel· Zinc Plated5 material/finish options
0.5 Estimated
Flat Washers M6 Carbon Steel Zinc PlatedFW-000049M6
Carbon Steel· Zinc Plated5 material/finish options
1 Estimated
Flat Washers M8 Carbon Steel Zinc PlatedFW-000052M8
Carbon Steel· Zinc Plated5 material/finish options
2 Estimated
Flat Washers M10 Carbon Steel Zinc PlatedFW-000054M10
Carbon Steel· Zinc Plated5 material/finish options
4 Estimated
Flat Washers M12 Carbon Steel Zinc PlatedFW-000057M12
Carbon Steel· Zinc Plated6 material/finish options
7 Estimated
Flat Washers M16 Carbon Steel Zinc PlatedFW-000060M16
Carbon Steel· Zinc Plated5 material/finish options
12 Estimated
Flat Washers M20 Carbon Steel Zinc PlatedFW-000063M20
Carbon Steel· Zinc Plated5 material/finish options
18 Estimated
Flat Washers M24 Carbon Steel Zinc PlatedFW-000081M24
Carbon Steel· Zinc Plated5 material/finish options
34 Estimated
Flat Washers M30 Carbon Steel Zinc PlatedFW-000086M30
Carbon Steel· Zinc Plated5 material/finish options
55 Estimated

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