ADTO GROUP professional in supplying fasteners and accessories

ADTO GROUP is professional in supplying fasteners and accessories

our main products as following 7 types:

1. High strength alloy steel double end stud- , fully-threaded stud and heavy hex nut applied on petrochemical industry, boiler and wind power generation. The diameter is from M20-140mm and the length is from 60mm-1400mm. 
2. Metric and ASTM round head oval neck bolt (fish bolt) with mechanical property of grade 4.6 to 10.9. 
3. Bolt used on guardrail panel of expressway with mechanical property of Grade 4.8 and 8.8. 
4. Elevator guide rail bolt and big hexagon bolt for steel structure, shearing bolt with mechanical property of Grade 8.8, 10.9 and 12.9. 
5. Stainless steel internal and external hexagon bolt products: A2-70, A4-80. Material: 304, 316, 316L. 
6. International internal and external hexagon bolt with the mechanical property of Grade 4.8, 8.8, 10.9 and ANSI Grade 2, 5 and 8. 
7. Various nuts, flat gaskets, spring washers, mechanical bolts, tapping screws, fiberboard screws and hexagonal wood screws, etc,as well as non-standard parts.

 

Specifications

ITEM NO.	SIZE	ITEM NO.	SIZE	ITEM NO.	SIZE
ADTO05XWLS0133	3.5*13	ADTO05XWLS0147	4.2*19	ADTO05XWLS0161	4.8*32
ADTO05XWLS0134	3.5*16	ADTO05XWLS0148	4.2*22	ADTO05XWLS0162	4.8*38
ADTO05XWLS0135	3.5*19	ADTO05XWLS0149	4.2*25	ADTO05XWLS0163	4.8*45
ADTO05XWLS0136	3.5*22	ADTO05XWLS0150	4.2*32	ADTO05XWLS0164	4.8*50
ADTO05XWLS0137	3.5*25	ADTO05XWLS0151	4.2*38	ADTO05XWLS0165	4.8*55
ADTO05XWLS0138	3.5*32	ADTO05XWLS0152	4.2*45	ADTO05XWLS0166	4.8*60
ADTO05XWLS0139	3.5*35	ADTO05XWLS0153	4.2*50	ADTO05XWLS0167	4.8*70
ADTO05XWLS0140	3.5*38	ADTO05XWLS0154	4.2*65	ADTO05XWLS0168	4.8*75
ADTO05XWLS0141	3.5*42	ADTO05XWLS0155	4.2*75	ADTO05XWLS0169	4.8*80
ADTO05XWLS0142	3.5*45	ADTO05XWLS0156	4.8*13	ADTO05XWLS0170	4.8*90
ADTO05XWLS0143	3.5*50	ADTO05XWLS0157	4.8*16	ADTO05XWLS0171	4.8*100
ADTO05XWLS0144	3.5*55	ADTO05XWLS0158	4.8*19	ADTO05XWLS0172	4.8*110
ADTO05XWLS0145	4.2*13	ADTO05XWLS0159	4.8*22	ADTO05XWLS0173	4.8*120
ADTO05XWLS0146	4.2*16	ADTO05XWLS0160	4.8*25

Product Process

Quality Test Machines

Desktop direct- reading spectrometer, cutting machine, automatic pre- milling machine, polishing machin, hard-testing gauge(Vickers), metallography microscope, electrolytic thickness gauge, tensile testing machine, salt spray device, magnetic detection machine(magnetic particle flaw detector), Caliper, Go&No-go gauge and etc.

Applications

Applications: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc. 

Packaging and Shipping

Company Information

ADTO Industrial Group, Co., Limited, founded in 1998, ADTO is a leading building material supplier and manufacture in China, centering on R&D, producing and selling of building material of scaffolding, aluminum formwork, fastener and coupler, integrates business of steel, logistic and wire & cables service. The group has more than 10 subdivisions and four manufacturing bases, possessing the right to import and export with business coverages spanning over more than 50 places and areas. Over 5000 international big buyers keep ADTO as their long term business partner. 

1. Experience: Founded in 1998, more than 17 years in construction materials manufacturing

2. Product Idea: Quality decided to safety, safety is the hard truth.

3. Certifications: ISO, CE, SGS, BV

4. Production base: Four factories, more than 400,000 square meters

5. OEM or Customized Service is available.