10mm bolt, bring 1 in id

 

8mm bolt, .8 inch I’d x .1 inch thick.

 

1/4 inch bolt,  15mm inside, 2.2mm thick

 

Second tool, same.

 

10-24 bolt bring.  .45 I’d,. 1 thick.

 

My tools.

6mm bolt, 15.7mm inside cavity, no one ring.

 

8mm bolt,  16.8 mm I’d bring. 1 in thick.

 

Large tool, 8mm bolt,  od54.6mm,  37.2mm I’d. Cavity is 9.7 mm deep, od, grease zerk angled. No o ring.