Flat Washer Hardness

ASTM F436
Description
Circular Plain Washers
Hardness
Rockwell C-Scale: 45 HRC
Grades Available
ASTM Type 1 and 3
Dimensional Standards
ASTM F436
Sizes Available
Nominal Size: ¼ inch – 1¼ inches
Thickness: ¼ inches
Compatible Bolts
ASTM A325 / A354 / A449 / A490 / A687
Compatible Nuts
ASTM A194 / A563
ASTM F436M
Description
Circular Plain Washers
Hardness
Rockwell C-Scale: 45 HRC
Grades Available
ASTM Type 1 and 3
Dimensional Standards
ASTM F436M
Sizes Available
Nominal Size: M12 – M100
Thickness: 26mm
Compatible Bolts
ASTM A325M / A490M / A563M / F568 (Grade 8.8 or higher)
Compatible Nuts
ASTM A194M / A563M
 
ASTM F844
Description
Circular Plain Washers
Hardness
Nil
Grades Available
Carbon Steel
Dimensional Standards
ANSI B18.22.1
Sizes Available
Type A
Type B
Nominal Size: ¼" - 3"
Nominal Size: #0 - #6
Thickness: ¼ inch
Thickness: ¼ inch
Compatible Bolts
ASTM A325 / A354 / A449 / A490 / A687
Compatible Nuts
ASTM A194 / A563
DIN EN ISO 7089
Description
Circular Plain Washers
Hardness
Vickers Pyramid Hardness: 200 HV / 300 HV
Grades Available
Carbon Steel: 4.8 / 6.8 / 8.8
Stainless Steel: A1, A2, A3, A4, A5, C1, C3, C4 and F1
Dimensional Standards
DIN EN ISO 7089
Sizes Available
Nominal Size: M6 – M64
Thickness: 1.6mm – 10mm
Compatible Bolts and Nuts
 
200 HV
300 HV
Bolts
Up to Grade 8.8
Up to Grade 10.9
Nuts
Up to Class 8
Up to Class 10

 
DIN EN ISO 7090
Description
Circular Plain Washers (Chamfered Outer Diameter)
Hardness
Vickers Pyramid Hardness: 200 HV / 300 HV
Grades Available
Carbon Steel: 4.8 / 6.8 / 8.8
Stainless Steel: A1, A2, A3, A4, C1, C3, C4 and F1
Dimensional Standards
DIN EN ISO 7090
Sizes Available
Nominal Size: M6 – M64
Thickness: 1.6mm – 10mm
Compatible Bolts and Nuts
 200 HV300 HV
Bolts
Up to Grade 8.8
Up to Grade 10.9
Nuts
Up to Class 8
Up to Class 10
 
DIN EN ISO 7091
Description
Circular Plain Washers
Hardness
Vickers Pyramid Hardness: 100 HV
Grades Available
Carbon Steel: 4.8 / 6.8 / 8.8
Dimensional Standards
DIN EN ISO 7091 (DIN 126)
Sizes Available
Nominal Size: M6 – M64
Thickness: 1.6mm – 10mm
Compatible Bolts
Up to Grade 6.8
Compatible Nuts
Up to Class 6
 
DIN 125, PART 1 and PART 2
Description
Circular Plain Washers
Hardness
Vickers Pyramid Hardness: 200 HV / 300 HV
Grades Available
Carbon Steel: 4.8 / 6.8 / 8.8
Stainless Steel: A1, A2, A3, A4, A5, C1, C3, C4 and F1
Dimensional Standards
DIN 125, PART 1 / PART 2
Sizes Available
Nominal Size: M6 – M64
Thickness: 1.6mm – 10mm
Compatible Bolts and Nuts
 
200 HV
300 HV
Bolts
Up to Grade 8.8
Up to Grade 10.9
Nuts
Up to Class 8
Up to Class 10