6 - Segment Information: Schedule of Segment Reporting Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net Sales	$ 33,974,558	$ 27,590,653
Depreciation and Amortization	1,318,554	1,347,305
Accounts receivable, net	5,647,984	5,163,450
Inventories, net	8,519,780	5,153,294
Property, plant and equipment, net	12,473,864	13,150,884
Fastener
Net Sales	29,831,388	24,607,863
Depreciation and Amortization	1,161,596	1,182,555
Segment operating profit	2,384,486	1,531,933
Selling and Administrative Expenses	0	0
Other Income	0	0
Capital expenditures	493,564	614,835
Accounts receivable, net	5,302,257	4,906,239
Inventories, net	7,214,050	4,024,138
Property, plant and equipment, net	9,782,324	10,479,720
Other assets	0	0
Assembly Equipment
Net Sales	4,143,170	2,982,790
Depreciation and Amortization	134,957	131,826
Segment operating profit	997,048	513,250
Selling and Administrative Expenses	0	0
Other Income	0	0
Capital expenditures	0	13,924
Accounts receivable, net	345,727	257,211
Inventories, net	1,305,730	1,129,156
Property, plant and equipment, net	1,433,905	1,568,862
Other assets	0	0
Unallocated Corporate
Net Sales	0	0
Depreciation and Amortization	22,001	32,924
Segment operating profit	0	0
Selling and Administrative Expenses	(2,022,619)	(2,128,197)
Other Income	55,557	148,464
Capital expenditures	177,334	195,377
Accounts receivable, net	0	0
Inventories, net	0	0
Property, plant and equipment, net	1,257,635	1,102,302
Other assets	$ 5,124,630	$ 7,770,443