Carbon Steel Black Hexagon Screws Cross Recessed Hexagon Screw Slotted Screw

Product Description

Carbon Steel Grade 4.8 8.8 10.9 Black Hexagon Screw Hex Screw Cross Recessed Hexagon Bolt Slotted Bolt

Standard	As per drawing
Diameter	M3-M12
Length	6-120mm
Type	Slotted Hex Head
Material	Carbon Steel/ Stainless steel/ Alloy/ copper
Surface treatment	Baking finish, Zinc plating, Nickel plating, Dacromet
Package	Plastic bag, Boxes and cartons, Pallets, Customized
Price terms	EXW, FOB, CIF, etc.
Payment terms	T/T, Paypal, L/C, Western union, etc.
Certifications	ISO 9001:2015
Note	Free sample but freight cost is paid by customers(when sample is in stock); Sample fee(when samples need to be customized)

We need more detail as follow. This will allow us to give you an accurate quotation. 
Before offer the price,get the quote simply by completing and submitting the form below:
• Product:__                   
• Measure: _______(Inside Diameter) x_______(Outside Diameter)x_______(Thickness)
• Order Quantity: _________________pcs
• Surface treatment: _________________
• Material: _________________
• When do you need it by? __________________
• Where to Shipping: _______________ (Country with postal code please) 
• Email your drawing ( jpeg, png or pdf, word) with minimum 300 dpi resolution for good clarity.
 

 

Product Details

1. Size and Drawing
                                

Screw Thread		M3	M4	M5	M6	M8	M10	M12
d
P	Pitch	0.5	0.7	0.8	1	1.25	1.5	1.75
n	Nominal Size	0.8	1.2	1.2	1.6	2	2.5	3
	min	0.86	1.26	1.28	1.66	2.06	2.56	3.06
	max	1	1.51	1.51	1.91	2.31	2.81	3.31
t	min	0.7	1	1.2	1.4	1.9	2.4	3

                                             

Thread Size		1#	2#	3#	4#	5#	6#	7#	8#	10#
d
d	Nominal Size	0.073	0.086	0.099	0.112	0.125	0.138	0.151	0.164	0.19
PP	UNC	64	56	48	40	40	32	-	32	24
s	Regular head min	0.125	0.125	0.188	0.188	0.188	0.25	0.25	0.25	0.312
	Regular head max	0.12	0.12	0.181	0.181	0.181	0.244	0.244	0.244	0.305
	Large head min	-	-	-	0.219	0.25	-	-	0.312	-
	Large head max	-	-	-	0.213	0.244	-	-	0.305	-
e	Regular head min	0.134	0.134	0.202	0.202	0.202	0.272	0.272	0.272	0.34
	Large head min	-	-	-	0.238	0.272	-	-	0.34	-
k	max	0.044	0.05	0.055	0.06	0.07	0.093	0.093	0.11	0.12
	min	0.036	0.04	0.044	0.049	0.058	0.08	0.08	0.096	0.105
n	max	-	-	-	0.039	0.044	0.048	0.048	0.054	0.06
	min	-	-	-	0.031	0.035	0.039	0.039	0.045	0.05
t	max	-	-	-	0.036	0.042	0.046	0.054	0.066	0.072
	min	-	-	-	0.025	0.03	0.033	0.04	0.052	0.057
Thread Size		12#	14#	1/4.	5/16.	20#	24#	3/8.	7/16.	1/2.
d
d	Nominal Size	0.216	0.242	0.25	0.3125	0.32	0.372	0.375	0.4375	0.5
PP	UNC	24	-	20	18	-	-	16	14	13
s	Regular head min	0.312	0.375	0.375	0.5	0.5	0.562	0.562	0.625	0.75
	Regular head max	0.305	0.367	0.367	0.489	0.489	0.551	0.551	0.61	0.735
	Large head min	0.375	0.438	0.438	-	-	-	-	-	-
	Large head max	0.367	0.428	0.428	-	-	-	-	-	-
e	Regular head min	0.34	0.409	0.409	0.545	0.545	0.614	0.614	0.682	0.82
	Large head min	0.409	0.477	0.477	-	-	-	-	-	-
k	max	0.155	0.19	0.19	0.23	0.23	0.295	0.295	0.348	0.4
	min	0.139	0.172	0.172	0.208	0.208	0.27	0.27	0.321	0.367
n	max	0.067	0.075	0.075	0.084	0.084	0.094	0.094	-	-
	min	0.056	0.064	0.064	0.072	0.072	0.081	0.081	-	-
t	max	0.093	0.101	0.101	0.122	0.122	0.156	0.156	-	-
	min	0.077	0.083	0.083	0.1	0.1	0.131	0.131	-	-

 

2. Selection of bolt material

Further information: Screw § Mechanical classifications

Regarding the requirement of the strength and circumstance, there are several types of material can be used for the Fastener Material Selection.^[6]

• Steel Fasteners (Grade 2,5,8) - the level of strength
• Stainless Steel Fasteners (Martensitic Stainless Steel, Austenitic Stainless Steel),
• Bronze and Brass Fasteners - Water proof usage
• Nylon Fasteners - it is used for the light material and water proof usage.
• In general, Steel is the most commonly used material of all fasteners (90%) or more.

3. Product shows



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5. Why Choose Us


Company Profile

Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer's expectations, as our vendors are the best name brands in the industry.

Tengri fasteners group employs more than 3000 employees and consists of one lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are able to satisfy our customer demands.

As a veritable "one- stop shop", Tengri Fasteners offers same day delivery of in-stock items and a wide variety of supply chair solutions tailored to the needs of our customers. Our custom inventory control programs provide extensive cost saving to our customers.



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Customers



Our Service

a)  Good after-sale service, all questions will be replied within 12 hours.

b)  Customized design is available. ODM&OEM are welcomed.

c)  We can provide free sample, consumer should pay the freight first.

d)  Convenient transportation and fast delivery, all available shipping ways could be     applied, by express, air or sea. 

e)  High quality and most competitive price.

f)  Advanced produce and inspecting equipments.

Packaging & Transportation

FAQ

1.Can I order a small list ?

---Of course, you can.

2.What quote do you offer?
---FOB , CIF and others ways according the your needs.
 
3.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
 
4.What is the quality of your products guarantee?
---We have passed ISO9001:2015 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't  accord the standard, you can exchange the goods for free.
 
5.Do you have after-sales service?
---Certainly,you can contact us at any time.