选择这些支架是因为它们符合 NAS （国家航空航天标准） 1831规范。它们具有良好的耐腐蚀性，并经过钝化以增强保护。它们可能具有轻微的磁性。六角的平坦侧面确保在用螺丝拧紧时牢固抓握用扳手

3D CAD models available如需技术图纸和 3-D 模型，请单击零件编号。

LG。 螺纹

尺寸 穿线 线程

Lg。 分钟。

线Lg。 符合规格 每个

18-8不锈钢

3/16"六角尺寸

3/16 " 4-40 全螺纹 3/16 " __ NAS1831C3B03，ASTM A582 91298A110 3.76 美元

1/4 " 4-40 全螺纹 1/4 " __ NAS1831C3B04，ASTM A582 91298A120 3.81

5/16 " 4-40 全螺纹 5/16 " __ NAS1831C3B05，ASTM A582 91298A130 3.86

3/8 " 4-40 全螺纹 3/8 " __ NAS1831C3B06，ASTM A582 91298A140 3.91

7/16 " 4-40 全螺纹 7/16 " __ NAS1831C3B07，ASTM A582 91298A150 3.95

1/2 " 4-40 全螺纹 1/2 " __ NAS1831C3B08，ASTM A582 91298A160 4.01

5/8 " 4-40 部分螺纹 __ 1/4 " NAS1831C3B10，ASTM A582 91298A170 4.10

3/4 " 4-40 部分螺纹 __ 1/4 " NAS1831C3B12，ASTM A582 91298A180 4.20

7/8 " 4-40 部分螺纹 __ 1/4 " NAS1831C3B14，ASTM A582 91298A190 4.30

1" 4-40 部分螺纹 __ 1/4 " NAS1831C3B16，ASTM A582 91298A210 4.39

1/4"六角尺寸

1/4 " 4-40 全螺纹 1/4 " __ NAS1831C4B04，ASTM A582 91298A220 3.95

5/16 " 4-40 全螺纹 5/16 " __ NAS1831C4B05，ASTM A582 91298A230 4.01

3/8 " 4-40 全螺纹 3/8 " __ NAS1831C4B06, ASTM A582 91298A240 4.06

7/16" 4-40 Fully Threaded 7/16" __ NAS1831C4B07, ASTM A582 91298A250 4.10

1/2" 4-40 Fully Threaded 1/2" __ NAS1831C4B08, ASTM A582 91298A260 4.16

5/8" 4-40 Partially Threaded __ 1/4" NAS1831C4B10, ASTM A582 91298A270 4.25

3/4" 4-40 Partially Threaded __ 1/4" NAS1831C4B12, ASTM A582 91298A280 4.35

7/8" 4-40 Partially Threaded __ 1/4" NAS1831C4B14, ASTM A582 91298A290 4.45

1" 4-40 Partially Threaded __ 1/4" NAS1831C4B16, ASTM A582 91298A310 4.54

1 1/8" 4-40 Partially Threaded __ 1/4" NAS1831C4B18, ASTM A582 91298A320 5.95

1 1/4" 4-40 Partially Threaded __ 1/4" NAS1831C4B20, ASTM A582 91298A330 6.15

1 3/8" 4-40 Partially Threaded __ 1/4" NAS1831C4B22, ASTM A582 91298A340 6.35

1 1/2" 4-40 Partially Threaded __ 1/4" NAS1831C4B24, ASTM A582 91298A350 6.55