Site Hırdavat Akb Inch Bolt Unf 1/4"x1" (fine Thread 6.4x25.4mm), 10 Pieces

Inch bolt 8.8 quality black steel key head (akb bolt) ---------------------------------------------------------------------------- Unc stands for unified coarse in english, meaning thick thread.

unf stands for unified fine in english, meaning fine thread.

american, british and so on. It is used as parts of vehicles and machines. The values given in millimeters are provided for ease of comparison with the values you measure with a caliper.

matching nuts are also available in our store.

you can check it from our ads. The delivery time may extend for your high-volume orders, otherwise, orders placed within business hours are delivered on the same day.

the bolts are 8.8 grade steel.

tensile strength is 800n/mm², strength is 640n/mm².

---------------------------------------------------------------------------- Important warnings: full paso/half paso, that is, to the end of the teeth may vary depending on stock status. Usually on short bolts, as they get longer, they start to become half paso even though they are thread to the end.

it is incompatible with metric bolts! It won't fit a metric nut or sprocket, even if the size is close.

the bolt lengths are not including the head! The length under the head, regardless of half paso or full paso, is given in inches and mm.

the bolts are not stainless steel! ---------------------------------------------------------------------------- Key size list: 1" unc/unf -> 38 wrenches or sockets (6 corners) 7/18" unc/unf -> 32 wrenches or sockets (6 corners) 3/4" unc/unf -> 28-29 half wrenches or sockets (12 corners) 5/8" unc/unf -> 24 wrenches or sockets (6 corners) 9/16" unc/unf -> 20-22 half wrenches or sockets (12 corners) 1/2" unc/unf -> 19 wrenches or sockets (6 corners) 7/16" unc/unf -> 16 wrenches or sockets (6 corners) 3/8" unc/unf -> 14-15 half wrenches or sockets (12 corners) 5/16" unc/unf -> 13 wrenches or sockets (6 corners) 1/4" unc/unf -> 11 wrenches or sockets (6 corners)