BS A 227:1965

Действует

Specification for steel pan head bolts (short thread: Class 3A) — 5 стр.

Ссылочные документы

BS 2S 116:1964

Отменен

Specification for aircraft material. '40' carbon steel bright bars for machining (55-65 tonf/sq in: limiting ruling section $9L inch) (primarily intended for the manufacture of machined bolts) — 3 стр.

BS 2S 114:1964

Отменен

Specification for aircraft material. Manganese-molybdenum steel (55/65 tonf/sq in: limiting ruling section 2$9H inches) — 3 стр.

BS 1580-3:2007

Действует

Unified screw threads, Screw threads with diameters below $9D in. Requirements — 24 стр.

BS S 154:1976

Действует

Specification. 2$9H% nickel-chromium-molybdenum steel billets, bars, forgings and parts (880-1080 MPa: limiting ruling section 150 mm) — 8 стр.

BS S 148:1969

Действует

Specification for low nickel-chromium steel (bar for the manufacture of forged bolts only) — 4 стр.

BS 2S 117:1964

Отменен

Specification for aircraft material. 1 per cent chromium steel (55/65 tonf/sq in: limiting ruling section 1$9B inch) — 5 стр.

BS 3509:1962

Действует

Specification for spirit level vials — 24 стр.