Fine Castle Nut
Fine Castle Nut (All pictures are shown for illustration purposes only. Actual product may vary)
Fine Thread. Hex nut with slots on top of hex which resemble the parapet of a medieval castle that allign with holes in bolt or shaft to accept the insertion of a cotter pin, available in most larger sizes over M12[1/2]

SIZE RANGE – M12 X 1.25 – M64 X 4.00

Stock CodeItem
M.FCN.12×1.25.ZM12 x 1.25 Fine Castle Nuts Zinc
M.FCN.12X1.25.SCM12 x 1.25 Fine Castle Nuts Bright S/C (no grd markings)
M.FCN.12X1.5.ZYPM12 x 1.50 Fine Thick Castle Nuts ZYP
M.FCN.12X1.5.SCM12 x 1.50 Fine Thick Castle Nuts Gr 8 S/C
M.FCN.12X1.50.A2SM12 x 1.50 Fine Thick Castle Nuts A2 S/S
M.FCN.12X1.50.SCM12 x 1.50 Thin Castle Nuts (DIN 937) S/C
M.FCN.12X1.50.ZM12 x 1.50 Thin Castle Nuts (DIN 937) Zinc
M.FCN.16X1.50.SC.G8M16 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.16X1.50.SC.BMSM16 x 1.50 Fine Castle Nuts BMS S/C
M.FCN.16X1.5.BLKM16 x 1.50 Fine Castle Nuts G8 BLK
M.FCN.16X1.50.SC.BMS.93M16 x 1.50 Fine Thin Castle Nuts (DIN93) BMS S/C
M.FCN.16X1.50.ZM16 x 1.50 Fine Thin Castle Nuts (DIN93) Zinc
M.FCN.18X1.50.SC.G8M18 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.18X1.50.SC.BMSM18 x 1.50 Fine Castle Nuts BMS S/C
M.FCN.18X1.50.SCM18 x 1.50 Thin Caslte Nuts (DIN37) BMS S/C
M.FCN.20X1.50.SC.G8M20 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.20X1.50.Z.G8M20 x 1.50 Fine Castle Nuts G8 Zinc*
M.FCN.20X1.50.ZM20 x 1.50 Fine Castle Nuts BMS Zinc
M.FCN.20X1.50.SCM20 x 1.50 Fine Castle Nuts Thin BMS S/C
M.FCN.20X2.SC.G8M20 x 2.00 Fine Castle Nuts G8 S/C
M.FCN.22X1.50.SC.G8M22 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.22.1.50.ZM22 x 1.50 Fine Castle Nuts Zinc
M.FCN.22X2.SC.G8M22 x 2.00 Fine Castle Nuts (Thick Din 935) G8 S/C
M.FCN.24X1.50.SC.G8M24 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.24X1.50.ZYPM24 x 1.50 Fine Castle Nuts ZYP
M.FCN.24X1.50.BMSM24 x 1.50 Fine Thin Castle Nuts (Din 937) BMS
M.FCN.24X2.SC.G8M24 x 2.00 Fine Castle Nuts Thick G8 S/C
M.FCN.24X2.SC.6AUM24 x 2.00 Fine Castle Nuts Thick 6AU S/C
M.FCN.24X2.SCM24 x 2.00 Fine Castle Nuts Thin (18mm) S/C
M.FCN.26X1.50.BMSM26 x 1.50 Fine Castle Nuts BMS #
M.FCN.27X1.50.SC.G8M27 x 1.50 Fine Castle Nuts Thick G8 (DIN 935) S/C
M.FCN.27X2.SC.G8M27 x 2.00 Fine Castle Nuts G8 S/C
M.FCN.30X1.50.SC.G8M30 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.30X1.50.SC.BM30 x 1.50 Fine Castle Nuts Black S/C
M.FCN.30X1.50.SC.937M30 x 1.50 Fine Thin Castle Nuts S/C (DIN 937)
M.FCN.30X2.SC.G8M30 x 2.00 Fine Castle Nuts G8 S/C
M.FCN.32X1.50.SCM32 x 1.50 Fine Thin Castle Nuts (DIN 937) Stamped 6G S/C
M.FCN.33X1.50.SC.G8M33 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.33X1.50.SCM33 x 1.50 Thin Castle Nuts (DIN 937) BMS S/C
M.FCN.33X2.SC.G8M33 x 2.00 Fine Castle Nuts G8 S/C
M.FCN.36X2.SC.G8M36 x 2.00 Fine Castle Nuts Thick (DIN 935) G8 S/C
M.FCN.36X2.SC.G6M36 x 2.00 Fine Castle Nuts Thick (DIN 935) G6 S/C
M.FCN.36X3.SCM36 x 3.00 Fine Castle Nuts S/C
M.FCN.39X3.SCM39 x 3.00 Fine Hex Castle Nuts S/C
M.FCN.39X3.SC.BMSM39 x 3.00 Fine Thin Castle Nuts (DIN 937) BMS S/C
M.FCN.42X1.50.SCM42 x 1.50 Fine Thin Castle Nuts (DIN 937) BMS S/C
M.FCN.42X2.SC.G8M42 x 2.00 Fine Castle Nuts Thick (DIN 935) G8 S/C
M.FCN.42X3.SC.G8M42 x 3.00 Fine Castle Nuts Thick (DIN 935) G8 # S/C
M.FCN.42X3.SCM42 x 3.00 Fine Castle Nuts Thick (DIN 935) S/C
M.FCN.42X3.BSTM42 x 3.00 Fine Thin Castle Nuts (DIN 937) BRT Steel
M.FCN.45X1.50.SC.G8M45 x 1.50 Fine Castle Nuts G8 S/C
M.FCN.45X1.50.SCM45 x 1.50 Fine Thin Castle Nuts (DIN 937) BMS S/C
M.FCN.45X3.SCM45 x 3.00 Thin Castle Nuts (DIN 937) BMS # S/C
M.FCN.48X1.5.SC.G8M48 x 1.5 Fine Castle Nuts G8 S/C
M.FCN.48X1.5.BMSM48 x 1.5 Fine Castle Nuts BMS
M.FCN.48X1.50.SCM48 x 1.50 Thin Castle Nuts (DIN 937) S/C
M.FCN.48X3.SCM48 x 3.00 Fine Thin Castle Nuts (DIN 937) Brt # S/C
M.FCN.52X1.50.SC.G8M52 x 1.50 Fine Castle Nuts G8 # S/C
M.FCN.52X1.50.SCM52 x 1.50 Fine Thin Castle Nuts BMS S/C #
M.FCN.56X1.5.SC.G8M56 x 1.5 Fine Castle Nuts G8 # S/C
M.FCN.64X4.BMSM64 x 4.00 Fine Castle Nuts BMS