Cylinder Head Internal Hex Screw

Name: Cylinder Head Internal Hex Screw
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

The Cylinder Head Internal Hex Screw is designed for applications that demand high precision and a clean aesthetic. This screw features a cylindrical head that provides a low profile, while the internal hexagonal socket allows for substantial torque application, reducing the risk of stripping. Crafted from high-strength materials, it offers excellent durability and reliable performance in demanding environments. The design makes it suitable for use in confined spaces where minimal head protrusion is necessary and visual appeal is important, such as in electronic devices, machinery, and aerospace components.

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Specifications of Cylinder Head Internal Hex Screw

Thread Size (d)
P	Pitch	Coarse thread
		Fine thread pitch-1
		Fine thread pitch-2
d_k	plain head	max
	knurled heads	max
	min
d_a	max
d_s	max
	min
e	min
k	max
	min
s	Nominal Size
	min
	max
t	min
w	min
Weight of per 1000 steel products(≈kg)
Length of Thread b

Thread Size (d)
P	Pitch	Coarse thread
		Fine thread pitch-1
		Fine thread pitch-2
d_k	plain head	max
	knurled heads	max
	min
d_a	max
d_s	max
	min
e	min
k	max
	min
s	Nominal Size
	min
	max
t	min
w	min
Weight of per 1000 steel products(≈kg)
Length of Thread b

M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
0.3	0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
-	-	-	-	-	-	-	-	1	1.25	1.25	1.5	1.5	1.5	1.5
-	-	-	-	-	-	-	-	-	1	1.5	-	-	2	2
2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
2.74	3.14	3.98	4.68	5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33	27.33	30.33
2.46	2.86	3.62	4.32	5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67	26.67	29.67
1.8	2	2.6	3.1	3.6	4.7	5.7	6.8	9.2	11.2	13.7	15.7	17.7	20.2	22.4
1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67
1.5	1.73	1.73	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	13.72	16	16	19.44
1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57	17.57	19.48
1.3	1.5	1.5	2	2.5	3	4	5	6	8	10	12	14	14	17
1.32	1.52	1.52	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032	14.032	17.05
1.36	1.56	1.56	2.06	2.58	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212	14.212	17.23
0.6	0.7	1	1.1	1.3	2	2.5	3	4	5	6	7	8	9	10
0.5	0.55	0.55	0.85	1.15	1.4	1.9	2.3	3	4	4.8	5.8	6.8	7.8	8.6
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
1.5	2	2	2	2	3	3	3	4	4	4	4	4	4
2	-	-	-	-	-	-	-	-	-	-	-	-	-
33	36	40	45	50	54	63	72	84	96	108	120	135	150
33.39	36.39	40.39	45.39	50.39	54.46	63.46	72.46	84.54	96.54	108.54	120.54	135.63	150.63
32.61	35.61	39.61	44.61	49.61	53.54	62.54	71.54	83.46	95.46	107.46	119.46	134.37	149.37
24.4	26.4	30.4	33.4	36.4	39.4	45.5	52.6	63	71	79	87	97	107
22	24	27	30	33	36	42	48	56	64	72	80	90	100
21.67	23.67	26.67	29.67	32.61	35.61	41.61	47.61	55.54	63.54	71.54	79.54	89.46	99.46
19.44	21.73	21.73	25.15	27.43	30.85	36.57	41.13	46.83	52.53	62.81	74.21	85.61	97.04
22	24	27	30	33	36	42	48	56	64	72	80	90	100
21.48	23.48	26.48	29.48	32.38	35.38	41.38	47.38	55.26	63.26	71.26	79.26	89.13	99.13
17	19	19	22	24	27	32	36	41	46	55	65	75	85
17.05	19.065	19.065	22.065	24.065	27.065	32.08	36.08	41.08	46.08	55.1	65.1	75.1	85.12
17.23	19.275	19.275	22.275	24.275	27.275	32.33	36.33	41.33	46.33	55.4	65.4	75.4	85.47
11	12	13.5	15.5	18	19	24	28	34	38	43	48	54	60
9.4	10.4	11.9	13.1	13.5	15.3	16.3	17.5	19	22	25	27	32	34
-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-	-	-
①, For size ≤ M4, the point need not be chamfered. ②, e min = 1.14 * S min ④, Norminal lengths above 300 mm shall be in 20 mm steps. ⑤, L-b ≥ 3P (P: Coarse thread pitch） ⑥, Material: a)Steel, Property class: ≤M39: 8.8，10.9，12.9；> M39: as agreed. Standard DIN ISO 898-1 b)Stainless steel, Property class: ≤M20: A2-70，A4-70；> M20≤M39: A2-50, A4-50； ≤M39: C3；> M39: as agreed. Standard ISO 3506, DIN 267-11 c)Non-ferrous metal by standard DIN 267-18

Cylinder Head Internal Hex Screw

Specifications of Cylinder Head Internal Hex Screw

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