Din 571 is the standard for Hexagonal head wood screw

Din 571 is the standard for Hexagonal head wood screw and is similar to UNI 704.

Stainless Steel Hex-Head Woodscrews also known as Lag Bolts. These are used to support heavier loads than a standard woodscrew and require a pilot hole unlike some woodscrews, hex head woodscrews are more suitable than a standard woodscrew when a large amount of torque is required.

Click Here To See Our Range

dimensions DIN 571 Hex Head Wood Screw Hex Head Wood Scre DIN 570

All measurements in millimetres (mm)

All data is strictly informative

Thread Size		M4	M5	M6	M7	M8	M10	M12	M16	M20
ds	Max.	4.00	5.00	6.00	7.00	8.00	10.00	12.00	16.00	20.00
ds	Min.	3.52	4.52	5.52	6.42	7.42	9.42	11.30	15.30	19.30
K	Normal Size	2.8	3.5	4	5	5.5	7	8	10	13
	Max.	3.10	3.88	4.38	5.38	5.88	7.45	8.45	10.45	13.90
	Min.	2.50	3.13	3.63	4.63	5.13	6.55	7.55	9.55	12.10
S	Normal Size	7	8	10	12	13	17	19	24	30
	Max	7.00	8.00	10.00	12.00	13.00	17.00	19.00	24.00	30.00
	Min.	6.64	7.64	9.64	11.57	12.57	16.57	18.48	23.16	29.16
e	Min.	7.50	8.63	10.89	13.07	14.2	18.72	20.88	26.17	32.95