Library › Hardware › Button head socket cap screws, inch: #4-40 to 1/2-13

1/2-13 × 1 in button head socket cap screw

1/2-13 × 1 in button head socket cap screw: head Ø22.22 × 6.73, 5/16 in hex key

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

size	1/2-13
major_mm	12.7
tpi	13
head_dia_mm	22.22
head_h_mm	6.73
hex_key_in	5/16
lengths_in	1

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.

Set it up →

From the full sheet

Button head socket cap screws, inch: #4-40 to 1/2-13 (ASME B18.3): every size, notes, mating features and sources. What are the dimensions of a 5/16-18 button head socket cap screw?

Other sizes

#4-40 × 0.25 in button head socket cap screw
#4-40 × 0.375 in button head socket cap screw
#4-40 × 0.5 in button head socket cap screw
#6-32 × 0.25 in button head socket cap screw
#6-32 × 0.375 in button head socket cap screw
#6-32 × 0.5 in button head socket cap screw
#8-32 × 0.375 in button head socket cap screw
#8-32 × 0.5 in button head socket cap screw
#10-24 × 0.375 in button head socket cap screw
#10-24 × 0.5 in button head socket cap screw
#10-24 × 0.75 in button head socket cap screw
#10-32 × 0.375 in button head socket cap screw
#10-32 × 0.5 in button head socket cap screw
1/4-20 × 0.375 in button head socket cap screw
1/4-20 × 0.5 in button head socket cap screw
1/4-20 × 0.625 in button head socket cap screw
1/4-20 × 0.75 in button head socket cap screw
1/4-20 × 1 in button head socket cap screw
5/16-18 × 0.5 in button head socket cap screw
5/16-18 × 0.625 in button head socket cap screw
5/16-18 × 0.75 in button head socket cap screw
5/16-18 × 1 in button head socket cap screw
3/8-16 × 0.75 in button head socket cap screw
3/8-16 × 1 in button head socket cap screw