这些蝶形螺母在潮湿环境中具有耐腐蚀性、导电性和非磁性。与滚花头拇指螺母相比，机翼在拧紧时提供了更大的杠杆作用以产生更大的扭矩。

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螺纹

尺寸 基础

直径 WD。 H T。 包装。

数量。 包装。

黄铜

4-40 21/64 " 3/4 " 3/8 " 25 92771A471 8.85 美元

6-32 13/32 " 3/4 " 1/2 " 50 92771A481 20.31

8-32 13/32 " 7/8 " 1/2 " 50 92771A491 21.26

10-24 13/32 " 7/8 " 1/2 " 25 92771A501 11.26

10-32 13/32 " 7/8 " 1/2 " 25 92771A511 11.20

12-24 31/64 " 1 1/8 " 5/8 " 10 92771A515 6.57

1/4 "-20 31/64 " 1 1/8 " 5/8 " 25 92771A521 15.27

1/4 "-28 31/64 " 1 1/8 " 5/8 " 10 92771A529 8.83

5/16 "-18 35/64 " 1 1/4英寸 5/8 " 10 92771A525 11.84

5/16 "-24 35/64 " 1 1/4英寸 5/8 " 10 92771A530 13.48

3/8 "-16 43/64 " 1 1/2 " 3/4 " 5 92771A535 7.94

1/2 "-13 29/32 " 2" 1" 5 92771A545 19.32

5/8 "-11 1 5/32 " 2 1/4英寸 1 1/2 " 1 92771A035 11.18

3/4 "-10 1 5/32 " 2 3/4英寸 1 1/2 " 1 92771A038 10.95