A leading UK manufacturer and main distributor of standard and bespoke fasteners for international aerospace and other industries.



BS A103 UNIFIED ( MEDIUM TENSILE STEEL NUTS )

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ORDINARY THIN SLOTTED CASTLE
NOM SIZE RIGHT HAND THREAD LEFT HAND THREAD RIGHT HAND THREAD LEFT HAND THREAD RIGHT HAND THREAD RIGHT HAND THREAD
4-40 UNC A103-AP A103-APL A103-AT A103-ATL —- —-
6-32 UNC A103-BP A103-BPL A103-BT A103-BTL —- —-
8-32 UNC A103-CP A103-CPL A103-CT A103-CTL —- —-
10-32 UNF A103-DP A103-DPL A103-DT A103-DTL A103-DS —-
“1/4″” UNF” A103-EP A103-EPL A103-ET A103-ETL A103-ES A103-EC
“5/16″” UNF” A103-GP A103-GPL A103-GT A103-GTL A103-GS A103-GC
“3/8″” UNF” A103-JP A103-JPL A103-JT A103-JTL A103-JS A103-JC
“7/16″” UNF” A103-LP A103-LPL A103-LT A103-LTL A103-LS A103-LC
“1/2″” UNF” A103-NP A103-NPL A103-NT A103-NTL A103-NS A103-NC
“9/16″” UNF” A103-PP A103-PPL A103-PT A103-PTL A103-PS A103-PC
“5/8″” UNF” A103-QP A103-QPL A103-QT A103-QTL A103-QS A103-QC
“3/4″” UNF” A103-SP S103-SPL A103-ST A103-STL A103-SS A103-SC
“7/8″” UNF” A103-UP A103-UPL A103-UT A103-UTL A103-US A103-UC
“1”” UNF” A103-WP A103-WPL A103-WT A103-WTL A103-WS A103-WC