DIN ISO 12240 - 4 Series K female thread

OK Version

steel/steel coupling, self-lubricating

Application: general engineering

Designation	d H9*	d3 6H	B	C1	d1	d2	d4	d5	dk	h1	L3	L4	L5	L7	W	max radial load. Co.(daN)	α° angle ≈	weight ≈ (kg)
CF6 OK M6	6	M6	9	6,75	8,9	20	10,0	13	12,70	30	12	40	5,0	11	11	700	13	0,025
CF8 OK M8	8	M8	12	9,00	10,4	24	12,5	16	15,87	36	16	48	5,0	13	14	1200	14	0,046
CF10 OK M10	10	M10	14	10,50	12,9	28	15,0	19	19,05	43	20	57	6,5	15	17	1400	13	0,075
CF12 OK M12	12	M12	16	12,00	15,4	32	17,5	22	22,22	50	22	66	6,5	17	19	1900	13	0,112
CF16 OK M16	16	M16	21	15,00	19,3	42	22,0	27	28,57	64	28	85	8,0	23	22	4800	15	0,222

Attached Documents

Technical data

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Notes

* not included in DIN ISO 12240-4 norm
For left-hand thread add "L" (example CFL16 OK M16)

MATERIAL

Support:
Up to size 12 automatic steel 11SMnPb30 (1.0718) from size 16 hardened and tempered steel C40 (1.1186), galvanized surface by passivation free from hexavalent chromium (EN ISO 4042, Fe/Zn 8c 1B)

Inner ring:
tempered, ground and polished steel for bearings 34 Cr4 (1.7033)

Outer ring:
sintered steel, impregnated with high efficiency lubricating fluid