Metric SEMS & Hex Screws

Aetna's metric SEMS screws are two separate parts that are combined into a cost-effective, pre-assembled fastener with a cap screw. Metric SEMS screws can be used for various applications, and are guaranteed to boost the speed and efficiency of any assembly process. Aetna designs and manufactures Metric hex head SEMS bolts, fasteners, screws, and washers!

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Metric SEMS & Hex Screws are vital to industries such as construction, automotive, machinery, industrial applications & more. To view all applicable industries & applications, please click here!

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Material: Cap Screw Steel Property Class 8.8, Washer RC 23 - 34
Coated with Organic Spin Dip to provide 480 Hours Minimum to red rust, neutral salt spray per ASTM B117/ISO 9227, the color will be a dull silver/gray,.
Parts will accept a Go gauge only before coating is applied
All unspecified dimensions are to ANSI/ASME B18.3.1M
Also available in Class 10.9 Cap Screw version

Aetna Part No.	Rev	A	B	D	E	Thread Size	Mass
A1611324	1	13	16	15.90-17.00	1.6	M8 - 1.25 x 16	0.013
A1583611	3	13	25	15.90-17.00	1.6	M8 - 1.25 x 25	0.018
A1586627	3	13	35	15.90-17.00	1.6	M8 - 1.25 x 35	0.021
A1585835	3	13	60	15.90-17.00	2	M8 - 1.25 x 60	0.031
A1615163	3	16	25	19.75-21.00	2	M10 - 1.5 x 20	0.022
A1586013	3	16	25	19.75-21.00	2	M10 - 1.5 x 25	0.022
A1605990	1	16	30	19.75-21.00	2	M10 - 1.5 x 30	0.024
A1586629	3	16	35	19.75-21.00	2.5	M10 - 1.5 x 35	0.025
A1586630	1	18	35	23.50-24.00	2.5	M12 - 1.75 x 35	0.029
A1613433	0	18	40	23.50-24.00	2.5	M12 - 1.75 x 40	0.030
A1613434	0	18	60	23.50-24.00	2.5	M12 - 1.75 x 60	0.030

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Metric SEMS & Hex Screws

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