(1-5) 5 pcs. \
size use drill size screw bolt size pipe size
1 5/64" 1/8-1/4 --------
2 7/64" 1/4-5/16 --------
3 5/32" 5/16-7/16 --------
4 7/32" 7/16-9/16 --------
5 17/64" 9/16-3/4 1/8-1/4

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