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Altomare

Special problems require special solutions.

Pic by DontDoubleBagIt on Reddit

Wooden frame with 14 "unique" bolts and the title "A stock of these special bolts is a must.

Legends:
FOR USE WHERE PILOT HOLE DOES NOT CLEAN UP
FOR ALL TAPERED HOLES (SPECIAL NUL REQUIRED)
ASSEMBLER'S SPECIAL FOR OVERSIZE & STEPPED HOLES
FOR HOLES DRILLED CROOKED AND THAN STRAIGHTENED UP (NUT IS HARD STARTING)

TELESCOPING BOLT WHERE LENGTH IS NOT KNOWN
FOR HOLES COUNTER SUNK TO DEEP
FOR DOUBLE COUNTER SUNK HOLES
FOR OUT-OF-ROUND HOLES

FOR HOLES NOT SQUARE
FOR MISMATCHED BOLT HOLES
FOR REDRILLED HOLES THAT STILL DON'T MATCH
FOR HOLES WITH COUNTERSINK ON THE WRONG SIDE

BINOCULAR BOLT FOR DOUBLE-DRILLED HOLES
FOR HOLES TOO NEAR THE EDGE

(Sorry, describing each bolt shape in text would be a weeklong job)
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