1/4 UNC x 1 SOCKET COUNTERSUNK HT S/COL HSCNC0250100
1/4 UNC x 1 1/2 SOCKET COUNTERSUNK HT S/COL HSCNC0250150
1/4 UNC x 1 1/4 SOCKET COUNTERSUNK HT S/COL HSCNC0250125
1/4 UNC x 1/2 SOCKET COUNTERSUNK HT S/COL HSCNC0250050
1/4 UNC x 2 SOCKET COUNTERSUNK HT S/COL HSCNC0250200
1/4 UNC x 3 1/4 SOCKET COUNTERSUNK HT S/COL HSCNC0250325
1/4 UNC x 3/4 SOCKET COUNTERSUNK HT S/COL HSCNC0250075
1/4 UNC x 5/8 SOCKET COUNTERSUNK HT S/COL HSCNC0250062
1/4 UNC x 7/8 SOCKET COUNTERSUNK HT S/COL HSCNC0250087
10-24 UNC x 1 1/2 SOCKET COUNTERSUNK HT S/COL HSCNB100150
10-24 UNC x 1/2 SOCKET COUNTERSUNK HT S/COL HSCNB100050
10-24 UNC x 3/4 SOCKET COUNTERSUNK HT S/COL HSCNB100075
from Kerridge Commercial Systems Ltd