8.8 DIN933 DIN931 ISO4017 ISO4014 High Quality Special Alloy Steel Steering Linkage Hexagon Socket Hex Cap Screws

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: LSM4P07S7L6
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST, as The Customer Required
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building, as The Customer Required
• Finish: Blue-White Zinc Plated
• Diameter: M4
• Screw Pitch: 0.7
• Length: 6mm
• Thread: Coarse Thread
• Treatment: Natural, Black Coating, Zinc
• Materials: S25c, 35, 45
• Number of Starts: Single
• Hardening: 8.8
• Processing Equipment: Cold Heading
• Sample: Sample Free, Freight Is on Your Own Account
• Hex Head Dia.: 7mm
• Screw Length: 6mm
• Head Thickness: 2.8±0.3
• Transport Package: Carton
• Specification: M4x0.7
• Trademark: as the customer required
• Origin: China
• HS Code: 7318151090
• Production Capacity: 100000 Pieces/Year

Product Description

   

Product Description

Product Description 
High Quality Special Hex Bolt Black is a fastener consisting of two parts, the head and the screw, which shall be matched with the nut for fastening and connecting two parts with through holes. This high quality hex bolts feature a hexagonal head, which is designed to be driven by a wrench. Hex bolts together with the matching nuts are usually used to join two pieces of fitting and fixtures. Many steel structure and building fittings are fixed together with the hex bolts black.

Advantages
High Quality Special Hex Bolt Black is suitable for important occasions, where the assembly precision is high, and it can bear large impact, vibration or alternating load. It has the characteristics of easy installation and tightening, large bearing capacity, corrosion resistance, high temperature resistance and so on. We can offer you different specifications of the products.

 

Product Parameters

 

Diameter of Screw(D)	Coarse Tooth Spacing(P)	Head to Side(S)	Head Thickness
M4	0.7	7	2.8±0.3
M5	0.8	8	3.5±0.3
M6	1	10	4.0±0.3
M8	1.25	13	5.3±0.3
M10	1.5	16	6.4±0.3
M12	1.75	18	7.5±0.3
M14	2	21	8.8±0.3
M16	2	24	10.0±0.3

The above specification is a single batch of manual measurement, there is a certain error, mind carefully or contact customer service.   Unit: mm

We produce all types of standard or non-standard thread screws according to customer's request.Detailed as following table:

Specification Table of Thread Screw
Standard	Size	Pitch of thread (mm)	d(mm)		Wire Diameter ±0.02mm
			Max	Min
Chinese National Standard Coarse Thread 60°	M5	0.80	4.98	4.83	4.30
	M6	1.00	5.97	5.82	5.18
	M7	1.00	6.97	6.82	6.18
	M8	1.25	7.96	7.79	7.02
	M9	1.25	8.96	8.79	8.01
	M10	1.50	9.96	9.77	8.84
	M11	1.50	10.97	10.73	9.84
	M12	1.75	11.95	11.76	10.7
	M14	2.00	13.95	13.74	12.5
	M16	2.00	15.95	15.74	14.5
	M18	2.50	17.95	17.71	16.20
	M20	2.50	19.95	19.71	18.2
Chinese National Standard Fine Thread 60°	M5	0.50	4.97	4.86	4.57
	M6	0.75	5.97	5.85	5.41
	M7	0.75	6.97	6.85	6.41
	M8	1.00	7.97	7.83	7.24
	M9	1.00	8.97	8.83	8.24
	M10	1.00	9.97	9.82	9.23
	M10	1.25	9.96	9.81	9.07
	M12	1.25	11.97	11.76	11.07
	M12	1.50	11.96	11.79	10.89
	M14	1.50	13.96	13.79	12.89
	M16	1.50	15.96	15.79	14.89
	M18	1.50	17.95	17.73	16.86
	M20	1.50	19.95	19.65	18.85

Specification Table of Thread Screw
Standard	Size	Thread per inch	d(mm)		Wire Diameter ±0.02mm
			Max	Min
British Standard Whitworth Thread (Coarse) 55°	1/8	40	3.145	3.03	2.70
	5/32	32	3.945	3.795	3.38
	3/16	24	4.732	4.592	4.00
	1/4	20	6.32	6.165	5.45
	5/16	18	7.905	7.737	6.94
	3/8	16	9.49	9.312	8.4
	7/16	14	11.2	10.88	9.84
	1/2	12	12.66	12.46	11.22
	9/16	12	14.25	14.04	12.81
	5/8	11	15.83	15.61	14.27
Unified Coarse Pitch Thread ( American Standard) 60°	4#	40	2.824	2.695	2.37
	5#	40	3.154	3.026	2.69
	6#	32	3.484	3.333	2.91
	8#	32	4.142	3.991	3.57
	10#	24	4.80	4.618	4.05
	12#	24	5.461	5.279	4.7
	1/4	20	6.322	6.117	5.45
	5/16	18	7.907	7.687	6.93
	3/8	16	9.491	9.254	8.40
	7/16	14	11.08	10.82	9.83
	1/2	13	12.66	12.39	11.32
	9/16	12	14.25	13.96	12.8
	5/8	11	15.83	15.53	14.26
Unified Fine Pitch Thread ( American Standard) 60°	4#	48	2.877	2.713	2.44
	5#	44	3.157	3.036	2.73
	6#	40	3.484	3.356	3.02
	8#	36	4.145	4.006	3.63
	10#	32	4.803	4.651	4.23
	12#	28	5.461	5.296	4.81
	1/4	28	6.324	6.16	5.68
	5/16	24	7.909	7.727	7.16
	3/8	24	9.497	9.315	8.74
	7/16	20	11.08	10.87	10.18
	1/2	20	12.67	12.46	11.76
	9/16	18	14.25	14.03	13.25
	5/8	18	15.83	15.62	14.83

 

Detailed Photos

 

 

Products Show

Manufacturing Capacity

Quality Control Method

Advanced Planning	Process Control	Quality Issue Feedback
·Multi-functional project team ·Build up standard tree,do the analysis and training ·DFMEA ·4 stage project review, quality gate ·PFMEA ·Visualized WI	·First and final piece100% inspection. ·Combine self-inspect and patrol inspect. ·Regular inspection on fixture and gauges. ·Upper andlower process error prevention control ·5M1E management	·Quick feedback, arrive sitewithin 10 minutes ·Define interim and containment action within 4hours ·Daily quick response meeting ·8D ·6 Sigma ·Actions follow-upvalidation ·Share to similarproducts ·Record into failure mode database

 

FAQ

Q1: Are you a manufacturer?
Yes, we have been in manufacturing and providing excellent linear motion partsfor customers more than 20years.
Q2: How long could you prepare samples?
Ans:Normally 1days if we have the sample onhand.lf customized one. about a week around.
Q3: How about batch order production?
Ans: Normally 30days or so for one container
Q4: Do you inspect the finished products?
Ans:Yes, we will do inspection according to lsO standard and ruled by our QCstaff.
Q5: How do you ship the goods?
Ans: By sea, by air by truck or by courier(UPSDHLFedexTNT etc.)
Q6: What advantage do you have?
Ans:1.We have professional engineers,customers can expect the best possibleadvice and support.

2.Related responsible team to answer all your questions and follow-upprocess for you and do update in time.

3.Strict and standard process control according to Quality ManagementSystem.
4.Documents support on products, we have strong technical data sheet tosupport our products, which could make you easier to know our products.