Penn Engineering & Manufacturing Corp., "Snap-Top Standoffs", Pem Bulletin SSA-988, (Danboro, Pa.). |
Penn Engineering & Manufacturing Corp., "Fasteners For Use In Or With PC Boards", Pem Bulletin K-488 (Danboro, Pa.). |
Camloc Fasteners "Captive Screws", Catalog No. 3800, pp. 1-12 (Hasbrouck Heights, N.J.). |
Accurate Screw Machine Co. Catalog, p. 19, (Nutley, N.J.). |
Microplastics, Inc., Standard Parts Catalog, pp. 1-16, (Flippin, Ark.). |
Microplastics, Inc., Microplastics Brochure, "Polycarbonate Fasteners" (Flippin, Ark.). |
Southco, Inc., Southco Fasteners Handbook 43, pp. C1-C11, C18-C27, (Pennsylvania. 1993). |