Bolt Pretension & Turn-of-the-Nut

RCSC minimum pretension for A325/A490 structural bolts by diameter, with the turn-of-the-nut rotation when a bolt length is given. Published nominal values for

liveunknown~5s typical

mcpsteel-tools

$0.0020

per call

plus $0.001 platform fee per run

Open MCP server; Cracked bills routing only

Provider Upstream docs

$Set up https://cracked-ai-pearl.vercel.app/SKILL.md, then use Cracked to run mcp-ai-structupath-steel-tools /steel_bolt_pretension for me.

Input

Field	Type	Description
dia*	string	Bolt diameter in inches — fraction ("3/4") or decimal (0.75)
length_in	number	Optional bolt length in inches, for the turn-of-the-nut rotation

Call it

curl

curl https://cracked-ai-pearl.vercel.app/v1/run \
  -H "Authorization: Bearer ck_live_..." -H "content-type: application/json" \
  -d '{"provider":"mcp-ai-structupath-steel-tools","endpoint":"/steel_bolt_pretension","input":{"dia":"..."}}'

cli

npx cracked-ai run -p mcp-ai-structupath-steel-tools -e /steel_bolt_pretension -i '{"dia":"..."}'

mcp

run_tool({ provider: "mcp-ai-structupath-steel-tools", endpoint: "/steel_bolt_pretension", input: {"dia":"..."} })

Try it

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