| Size | M3-M48 or non-standard as request&design |
| Finish | Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating, Nickel plating,Zinc impregnation,ETC. |
| Material | Carbon steel、Stainless steel |
| Grade | 4，8，10，12 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |
Hex slotted nut or castle nut is a hex nut with opposed slots cut into the top of the nut through the centers of the flats. The slots are on the end opposite the bearing surface. The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. Transhow offers metric coarse and fine pitch thread, UNC and UNF thread as per below standard dimensions.
DIN935-1 (-2/-3) Hexagon slotted nuts grade A, grade B, grade C, DIN937 Slotted hexagon nuts.
ASME/ANSI B18.2.4.3M Metric slotted hex nuts, JIS B1170 Slotted hexagon nuts, DIN797 thin castle nut.
ANSI/ASME B18.2.2 Hex Slotted Nuts, ASME/ANSI B18.2.2 Hex Thick Slotted Nuts, Heavy Hex Slotted Nut.
BS 3692 hexagon slotted and castle nuts style 1-product A and B.
Slotted hex nuts are normally made from carbon steel and alloy steel with grade 2, 5, 8. With a max hardness rockwell C32 and proof load 72,000 psi. Surface treatment could be black oxide, zinc coating, hot dipper galvanizing, black zinc coating, brass coating, nickle and chrome plating, dacomate, etc. Please indicate this requirements with your inquiry.
Zinc Plated
Thin Slotted
Thick Sloted Nut
Yellow Zinc
