M12 Allen Hexagon Socket Head Flange Bolts with Washers

• Customization: Available
• Material: Carbon Steel
• Type: Allen Head
• Model NO.: 8500021P3010-2
• Head Style: Round
• 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: Color-Zinc Plated
• Diameter: 12
• Screw Pitch: 1.25
• Length: 33mm
• Thread: Single Thread
• Treatment: Natural, Black Coating, Zinc
• Materials: S25c, 35, 45
• Number of Starts: Single
• Hardening: 10.9
• Processing Equipment: Cold Heading
• Sample: Sample Free, Freight Is on Your Own Account
• Head Dia.: 17mm
• Transport Package: Carton
• Specification: M8
• Trademark: as the customer required
• Origin: China
• HS Code: 7318151090
• Production Capacity: 100000 Pieces/Year

Product Description

   

Product Description

Hexagonal rubber coated bolt with cushion is mainly used for fastening mechanical equipment its characteristic is to increase the anti-loosening performance and sealing effect by gluing. This kind of bolt is widely used, especially in the need to bear greater impact, vibration or alternating load occasions, such as machinery manufacturing, building decoration and automobile maintenance and other fields.

In machinery manufacturing, hexagon coated bolt with cushion is often used to fix gear box, bearing seat and other key parts; in the building decoration, it is used to fix a variety of plates, pipes and other materials; In automobile maintenance, such bolts are used to tighten body parts, engine parts, etc.

When choosing to use the cushioned hex coated bolt, consider the space limitation of the connection location, aesthetic requirements and the required axial force and torque. is especially suitable for when compact, beautiful or limited assembly space is required

 

Product Parameters

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

 

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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.