BS +A 401-420:2015

BS A 401-420:2015 specifies the dimensions, materials, protective finishes and part numbers for 100° countersunk head and pan head screws with unified threads for non-structural general aerospace use.

Cross References:

ASD-STAN TR 3775

BS 1134

BS 1473

BS 1580-3

BS 1872

BS 6338

BS A 100

BS L 102

BS L 168

BS S 80

BS S 129

BS S 130

BS S 142

BS S 147

BS S 148

BS S 154

BS S 158

BS EN 755-2

BS EN 2100

BS EN 2133

BS EN 2284

BS EN 2398

BS EN 2399

BS EN 2516

BS EN 3911

BS EN 4826

BS EN 12163

BS EN 12164

BS EN 12166

BS EN ISO 898-1

SAE AMS 03-19

SAE AMS 03-25

SAE AMS 2417

BS A 204 ? BS A 221

BS A 273:1978

BS EN ISO 10664

SAE ITC RS440

ASD-STAN TR 4070

AIA NAS1800

AIA NAS9800

ASME B18.6.3:2013

All current amendments available at time of purchase are included with the purchase of this document.