2001-06-02, Rev. 2001-06-04.     All dimensions in units of  mm.     Part names herein are arbitrary, but specification numbers are valid.

Metric Standard Flat Washers

Corresponds to standard JIS B 1256.

Name Nominal
Size
Hole
Diameter
Outside
Diameter
Thickness
JWPCR01 6.00 6.60 12.50 1.60
JWPCR02 8.00 9.00 17.00 1.60
JWPCR03 10.00 11.00 21.00 2.00
JWPCR04 12.00 14.00 24.00 2.30
JWPCR05 16.00 18.00 30.00 3.20
JWPCR06 20.00 22.00 37.00 3.20
JWPCR07 24.00 26.00 44.00 4.50
JWPCR08 30.00 33.00 56.00 4.50
JWPCR09 36.00 39.00 66.00 6.00
JWPCR10 42.00 45.00 78.00 7.00
JWPCR11 48.00 52.00 92.00 8.00
JWPCR12 56.00 62.00 105.00 9.00
JWPCR13 64.00 70.00 115.00 9.00
JWPCR14 72.00 78.00 125.00 10.00
JWPCR15 80.00 86.00 140.00 12.00
JWPCR16 90.00 96.00 160.00 12.00
JWPCR17 10.00 107.00 175.00 14.00
JWPCR18 110.00 117.00 185.00 14.00
JWPCR19 125.00 132.00 220.00 16.00
JWPCR20 140.00 147.00 240.00 18.00

 

Metric Finished Flat Washers

Corresponds to standard JIS B 1256.

Name Nominal
Size
Hole
Diameter
Outside
Diameter
Thickness
JWPCF01 2.00 2.20 5.00 0.30
JWPCF02 2.50 2.70 6.50 0.50
JWPCF03 3.00 3.20 7.00 0.50
JWPCF04 4.00 4.30 9.00 0.80
JWPCF05 5.00 5.30 10.00 1.00
JWPCF06 6.00 6.40 12.50 1.60
JWPCF07 8.00 8.40 17.00 1.60
JWPCF08 10.00 10.50 21.00 2.00
JWPCF09 12.00 13.00 24.00 2.50
JWPCF10 16.00 17.00 30.00 3.00
JWPCF11 20.00 21.00 37.00 3.00
JWPCF12 24.00 25.00 44.00 4.00
JWPCF13 30.00 31.00 56.00 4.00
JWPCF14 36.00 37.00 66.00 5.00
JWPCF15 42.00 43.00 78.00 7.00
JWPCF16 48.00 50.00 92.00 8.00
JWPCF17 56.00 58.00 105.00 9.00
JWPCF18 64.00 66.00 115.00 9.00
JWPCF19 72.00 74.00 125.00 10.00
JWPCF20 80.00 82.00 140.00 10.00

 

Metric Small Flat Washers

Corresponds to standard JIS B 1256.

Name Nominal
Size
Hole
Diameter
Outside
Diameter
Thickness
JWSMC01 1.00 1.10 2.50 0.30
JWSMC02 1.20 1.30 2.80 0.30
JWSMC03 1.60 1.70 3.80 0.30
JWSMC04 2.00 2.20 4.30 0.30
JWSMC05 2.50 2.70 5.00 0.50
JWSMC06 3.00 3.20 6.00 0.50
JWSMC07 4.00 4.30 8.00 0.80
JWSMC08 5.00 5.30 10.00 1.00
JWSMC09 6.00 6.40 11.50 1.60
JWSMC10 8.00 8.40 15.50 1.60
JWSMC11 10.00 10.50 18.00 2.00
JWSMC12 12.00 13.00 21.00 2.50
JWSMC13 16.00 17.00 28.00 3.00
JWSMC14 20.00 21.00 34.00 3.00
JWSMC15 24.00 25.00 39.00 4.00
JWSMC16 30.00 31.00 50.00 4.00
JWSMC17 36.00 37.00 60.00 5.00