Xem Studiomeasured geometryLibrary › Hardware › Square drive sizes ISO 1174: 1/4, 3/8, 1/2, 3/4, 1 in drive (6.3…
stub rail, 121.0 × 41.4 × 18.0 mm
stub rail, 121.0 × 41.4 × 18.0 mm: five square posts at the ISO 1174-1 male square s1 max 6.35, 9.53, 12.70, 19.05 and 25.40 mm (1/4, 3/8, 1/2, 3/4, 1 in), 14 mm tall on a 4 mm base; base, post height and spacing are Xem choices, the post sizes are the standard's; add your process allowance only where a socket's female square must clear the post (the standard's own clearance is the s2 min)
Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| nominal (mm) | 6.3 |
|---|---|
| drive (in) | 1/4 |
| male s1 max (mm) | 6.35 |
| male s1 min (mm) | 6.26 |
| female s2 max (mm) | 6.63 |
| female s2 min (mm) | 6.41 |
| min separation force (N) | 4 |
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Square drive sizes ISO 1174: 1/4, 3/8, 1/2, 3/4, 1 in drive (6.3, 10, 12.5, 20, 25 mm): male and female square limits + stub rail and pocket plate: every size, notes, mating features and sources. What are the dimensions of a 1/4, 3/8, 1/2, 3/4 and 1 inch square drive (socket wrench square), male and female?