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Machine Screws - Shanghai Jingyang - #19

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hexagon socket countersunk head screws


		w
	1 _


							b
						L

JASMHF — 40 —.75

I I I

style no thread length(mm)

All ldnensions

ra nl niches


			0.112 (#4-40)		0.1380 (#6-32)		0.1640 (#8-32)		0.1900 (#10-32/#10-24)		0.2500 (1/4-20)
	b	min	0.75		0.75		0.88		0.88		1.00
	dk	(max)	0.255		0.307		0.3590		0.411		0.531
	dk	(min)	0.218		0.263		0.3110		0.359		0.48
	ds	max	0.112		0.138		0.164		0.19		0.25
	ds	min	0.1075		0.1329		0.1585		0.184		0.2435
	k		0.083		0.097		0.112		0.127		0.161
	t	min	0.055		0.061		0.066		0.076		0.087
	L		ls f lg
	4—		ls	lg	ls	lg	ls	lg	ls	lg	ls	lg
	0.75
	0.88
	1.00
	1.25		0.38	0.5	0.34	0.5	0.22	0.38
	1.50		0.38	0.5	0.34	0.5	0.22	0.38	0.42	0.62
	1.75		0.88	1	0.84	1	0.72	0.88	0.42	0.62	0.5	0.75
	2.00		0.88	1	0.84	1	0.72	0.88	0.92	1.12	0.5	0.75
	2.25		1.38	1.5	1.34	1.5	1.22	1.38	0.92	1.12	1	1.25