The 蝶形螺帽 蝶形螺母 Wing Nut 蝶ナット image shown here is indicative only. If there is inconsistency between the image and the actual product, the actual product shall govern.

蝶形螺帽 蝶形螺母 Wing Nut
蝶ナット

Specification:

JIS B 1185

Material:

SAE1008/SAE1010/35ACR/S40C/SUS304

Surface:

Plain(P)
Zinc Plated(Z)
Zinc Yellow(Y)
Nickel(N)
Black Oxide(B)
Other

Hardness:

The Hardness is designated by customer .

JIS B 1185 2種

d dk db dd k ya yb t1 t2
MIN approx DIM TOL DIM TOL MAX  MAX MAX MAX
M6 10 7  27 ±1.5     13 ±1.5 4 5 0.5 0.27
M8 13 10 31 ±2  16 4.5 5.5 0.6 0.36
M10 16 12 36   18 5.5 6.5 0.7 0.44
M12  20 16  48   23    7 8 1 0.55

U型自鎖螺帽 U型自鎖螺母 U-NUT(Self Lock Nut) U-ナッ
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