Segment Reporting: Schedule of Segment Reporting by Segment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Net sales	$ 7,853,181	$ 8,729,725
Depreciation	323,405	306,032
Accounts receivable - Less allowances of $160,000	5,463,717		$ 4,275,882
Inventories, net	6,746,675		7,327,653
Net property, plant and equipment	11,375,298		$ 11,665,082
Fastener
Net sales	6,723,854	7,856,813
Depreciation	293,381	272,636
Segment operating profit	(389,124)	(428,501)
Selling and Administrative Expenses	0	0
Interest income	0	0
Capital expenditures	54,222	336,066
Accounts receivable - Less allowances of $160,000	4,871,135	5,857,565
Inventories, net	5,227,398	8,566,031
Net property, plant and equipment	9,159,982	9,625,759
Other Assets	0	0
Assembly Equipment
Net sales	1,129,327	872,912
Depreciation	29,484	30,732
Segment operating profit	322,621	189,315
Selling and Administrative Expenses	0	0
Interest income	0	0
Capital expenditures	38,863	0
Accounts receivable - Less allowances of $160,000	592,582	315,509
Inventories, net	1,519,277	1,432,921
Net property, plant and equipment	1,195,183	1,272,765
Other Assets	0	0
Corporate Segment
Net sales	0	0
Depreciation	540	2,664
Segment operating profit	0	0
Selling and Administrative Expenses	(836,800)	(538,537)
Interest income	28,469	40,586
Capital expenditures	0	77,353
Accounts receivable - Less allowances of $160,000	0	0
Inventories, net	0	0
Net property, plant and equipment	1,020,133	1,070,656
Other Assets	$ 4,207,043	$ 5,551,041