DIN 7991 dimensions — Hex Socket Countersunk Head Screw

Edition: 1986-01 edition, withdrawn
Equivalent: ISO 10642
Differs: from ISO 10642: head height and head diameter at 10 sizesFull comparison →
Mates with: NutsDIN 934 DIN 6330 ISO 4033WashersDIN 125 DIN 7349 DIN 9021

DIN 7991 dimensions

mm · 13 sizes, M3 – M24In stock

Compare

Size	PThread pitch	sHex socket size	dkHead diameter	kHead height
Size				nom.
M3	0.5	2	6	1.7
M4	0.7	2.5	8	2.3
M5	0.8	3	10	2.8
M6	1	4	12	3.3
M8	1.25	5	16	4.4
M10	1.5	6	20	5.5
M12	1.75	8	24	6.5
M14	2	10	27	7
M16	2	10	30	7.5
M18	2.5	12	33	8
M20	2.5	12	36	8.5
M22	2.5	14	36	13.1
M24	3	14	39	14

Dimensions from DIN 7991:1986-01. The standard is withdrawn; we still make parts to it.

ISO 898-1steel, property classes 8.8, 10.9, 12.9ISO 3506-1stainless steel, A2-70, A4-80