EU 28676

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Adfast Components offers precision-engineered hot and cold forged fasteners ranging from M3 to M100, ensuring superior strength and reliability. Designed to meet diverse industrial standards, our components guarantee durability and performance.

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Explore Adfast Components for precision-engineered fasteners, offering hot & cold forged solutions with metric sizes from M3 to M100 for diverse industrial needs.

materials

Carbon Steel

Alloy Steel

Stainless Steel

Super Alloys

Non Ferrous Metal & Alloys

High Performance Nickel Alloys

Copper Alloys

Technical

Specification

Standard

Weight

Applications

Threads
Contact

Home
About
Product
Product

Adfast Components offers precision-engineered hot and cold forged fasteners ranging from M3 to M100, ensuring superior strength and reliability. Designed to meet diverse industrial standards, our components guarantee durability and performance.

Precision Components

Pumps & Valves

Automobile

Customised

Electronic

Medical

Contract Manufacturing

3D Printing & Additive Manufacturing

Fastener

Bolts

Coated Fasteners

Washer

Stud Bolts

Nuts

Screws
Resources
Resources

Explore Adfast Components for precision-engineered fasteners, offering hot & cold forged solutions with metric sizes from M3 to M100 for diverse industrial needs.

materials

Carbon Steel

Alloy Steel

Stainless Steel

Super Alloys

Non Ferrous Metal & Alloys

High Performance Nickel Alloys

Copper Alloys

Technical

Specification

Standard

Weight

Applications

Threads
Contact

Dimensions for EU 28676 Partially Threaded Hex Cap Screw (Fine Thread)

Thread d		b			c		da	ds			dw		e		k					k	r	s
		l<125mm	125mm> l<200mm	l>200mm	min.	max.	max.	max.	min.		min.		min.		nominal	Product grade A		Product grade B		min.	min.	nominal = max	min.
		l<125mm	125mm> l<200mm	l>200mm	min.	max.	max.	max.	Product Grade A	Product Grade B	Product Grade A	Product Grade B	Product Grade A	Product Grade B	nominal	min.	max.	min.	max.	min.	min.	nominal = max	Product Grade A	Product Grade B
M8x1	—	22	28	41	0.15	0.6	9.2	8	7.78	7.64	11.6	11.4	14.38	14.2	5.3	5.15	5.45	5.06	5.54	3.54	0.4	13	12.73	12.57
M10x1	M10x1.25	26	32	45	0.15	0.6	11.2	10	9.78	9.64	15.6	15.4	18.9	18.72	6.4	6.22	6.58	6.11	6.69	4.28	0.4	17	16.73	16.57
M12x1.5	M12x1.25	30	36	49	0.15	0.6	13.7	12	11.73	11.57	17.4	17.2	21.1	20.88	7.5	7.32	7.68	7.21	7.79	5.05	0.6	19	18.67	18.48
M14x1.5	—	34	40	53	0.15	0.6	15.7	14	13.73	13.57	20.5	20.1	24.49	23.91	8.8	8.62	8.96	8.51	9.09	5.96	0.6	22	21.67	21.16
M16x1.5	—	38	44	57	0.2	0.8	17.7	16	15.73	15.57	22.5	22	26.75	26.17	10	9.82	10.18	9.81	10.29	6.8	0.6	24	23.67	23.16
M18x2	M18x1,5	42	48	61	0.2	0.8	20.2	18	17.73	17.57	25.3	24.8	30.14	29.56	11.5	11.28	11.72	11.15	11.85	7.8	0.6	27	26.67	26.16
M20x1.5	M20x2	46	52	65	0.2	0.8	22.4	20	19.67	19.48	28.2	27.7	33.53	32.95	12.5	12.28	12.72	12.15	12.85	8.5	0.8	30	29.67	29.16
M22x2	M22x1.5	50	56	69	0.2	0.8	24.4	22	21.67	21.48	30	29.5	35.72	35.03	14	13.78	14.22	13.65	14.35	9.6	0.8	32	31.61	31
M24x2	M24x1.5	54	60	73	0.2	0.8	26.4	24	23.67	23.48	33.6	33.2	39.98	39.55	15	14.78	15.22	14.65	15.35	10.3	0.8	36	35.38	35

Thread d		b			c		da	ds		dw	e	k			k	r	s
Thread d		l<125mm	125mm> l<200mm	200mm	min.	max.	max.	max.	min.	min.	min.	nominal	min	max	min.	min.	nominal = max	min.
M27x2	—	60	66	79	0.2	0.8	30.4	27	26.48	38	45.2	17	16.65	17.35	11.7	1	41	40
M30x2	—	66	72	85	0.2	0.8	33.4	30	29.48	42.7	50.85	18.7	18.28	19.12	12.8	1	46	45
M33x2	—	72	78	91	0.2	0.8	36.4	33	32.38	46.6	55.37	21	20.58	21.42	14.4	1	50	49
M36x3	—	78	84	97	0.2	0.8	39.4	36	35.38	51.1	60.79	22.5	22.08	22.92	15.5	1	55	53.8
M39x3	—	84	90	103	0.3	1	42.4	39	38.38	55.9	66.44	25	24.58	25.42	17.2	1	60	58.8
M42x3	—	90	96	109	0.3	1	45.6	42	41.38	59.9	71.3	26	25.58	26.42	17.9	1.2	65	63.1
M45x3	—	96	102	115	0.3	1	48.6	45	44.38	64.7	76.95	28	27.58	28.42	19.3	1.2	70	68.1
M48x3	—	102	106	121	0.3	1	52.6	48	47.38	69.4	82.6	30	29.58	30.42	20.9	1.6	75	73.1
M52x3	—	–	116	129	0.3	1	56.6	52	51.26	74.2	88.25	33	32.5	33.5	22.8	1.6	80	78.1

Thread Length Requirement for UNI 5738 Hex Head Bolts

l	Product grade
Thread d					M8x1		M10x1		M12x1.5		M14x1.5		M16x1.5		M18x2		M20x1.5		M22x2		M24x2		M27x2		M30x2		M33x2		M36x3		M39x3		M42x3		M45x3		M48x3		M52x3
Thread d					–		M10x1.25		M12x1.25		–		–		M18x1.5		M20x2		M22x1.5		M24x1.5		–		–		–		–		–		–		–		–		–
l	A		B		ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg	ls	lg
Nominal	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max	min	max
35	34.5	35.5	–	–	8	13
40	39.5	40.5	–	–	13	18	7.75	14
45	44.5	45.5	–	–	18	23	12.75	19	7.5	15
50	49.5	50.5	–	–	23	28	17.75	24	12.5	20	8.5	16
55	54.4	55.6	–	–	28	33	22.75	29	17.5	25	13.5	21	9.5	17
60	59.4	60.6	–	–	33	38	27.75	34	22.5	30	18.5	26	14.5	22
65	64.4	65.6	–	–	38	43	32.75	39	27.5	35	23.5	31	19.5	27	13	23	9	19
70	69.4	70.6	–	–	43	48	37.75	44	32.5	40	28.5	36	24.5	32	18	28	14	24	10	20
75	74.4	75.6	–	–	48	53	42.75	49	37.5	45	33.5	41	29.5	37	23	33	19	29	15	25
80	794	80.6	–	–	53	58	47.75	54	42.5	50	38.5	46	34.5	42	28	38	24	34	20	30	16	26
85	84.3	85.7	83.25	88.75	58	63	52.75	59	47.5	55	43.5	51	39.5	47	33	43	29	39	25	35	21	31
90	89.3	90.7	88.25	91.75	63	68	57.75	64	52.5	60	48.5	56	44.5	52	38	48	34	44	30	40	26	36	20	30	14	24
95	94.3	95.7	93.25	93.75	68	73	62.75	69	57.5	65	53.5	61	49.5	57	43	53	39	49	35	45	31	41	25	35	19	29
100	99.3	100.7	98.25	101.75	73	79	67.75	74	62.5	70	58.5	65	54.5	62	48	58	44	54	40	50	36	46	30	40	24	34	18	28
110	109.3	110.7	108.25	111.75			77.75	84	72.5	80	68.5	76	64.5	72	58	68	54	64	50	60	46	56	40	50	34	44	28	38	17	32
120	119.3	120.7	118.25	121.75			87.75	94	82.5	90	78.5	86	74.5	82	68	78	64	74	60	70	56	66	50	60	44	54	38	48	27	42	21	36
130	129.2	130.8	128	132			91.75	98	86.5	94	82.5	90	76.5	86	72	82	68	78	64	74	60	70	54	64	48	58	42	52	31	46	25	40	19	34	13	28
140	139.2	140.8	138	142			101.75	108	96.5	104	92.5	100	88.5	96	82	92	78	88	74	84	70	80	64	74	58	68	52	62	41	56	35	50	29	44	23	38	17	32
150	149.2	150.8	148	152			111.75	118	106.5	114	102.5	110	98.5	106	92	102	88	98	84	94	80	90	74	84	68	78	62	72	51	66	45	60	39	54	33	48	27	42	19	34
160	159.2	160.8	158	162					116.5	124	112.5	12	108.5	116	102	112	98	108	94	104	90	100	84	94	78	88	72	82	61	76	55	70	49	64	43	58	37	52	29	44
170	169.2	170.8	168	172					126.5	134	122.5	130	118.5	126	112	122	108	118	104	114	100	110	94	104	88	98	82	92	71	86	65	80	59	74	53	68	47	62	39	54
180	179.2	180.8	178	182					136.5	144	132.5	140	128.5	136	122	132	118	128	114	124	110	120	104	114	98	108	92	102	81	96	75	90	69	84	63	78	57	72	49	64
190	189.08	190.92	187.7	192.3							142.5	150	138.5	146	132	142	128	138	124	134	120	130	114	124	108	118	102	112	91	106	85	100	79	94	73	88	67	82	59	74
200	199.08	200.92	197.7	202.3							152.5	160	148.5	156	142	152	138	148	134	144	130	140	124	134	118	128	112	122	101	116	95	110	89	104	83	98	77	92	69	84
220	217.7	222.3																							125	135	119	129	108	123	102	117	96	111	90	105	84	99	76	91
240	237.7	242.3																							145	155	139	149	128	143	122	137	116	131	110	125	104	119	96	111
260	257.4	262.6																							165	175	159	169	148	163	142	157	136	151	130	145	124	139	116	131
280	277.4	282.6																									179	189	168	183	162	177	156	171	150	165	144	159	136	151
300	297.4	302.6																									199	209	188	203	182	197	176	191	170	185	164	179	156	171

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EU 28676

Dimensions for EU 28676 Partially Threaded Hex Cap Screw (Fine Thread)

Thread Length Requirement for UNI 5738 Hex Head Bolts

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