Product Details

The best quality and faith bring us the good market, such as USA, CANADA, BRAZIL, AUSTRALIA, UK, GERMANY, ITALY, SPAIN, TURKEY, ALGERIA, DUBAI, RUSSIA, UKRAINE, SINGAPORE, MALAYSIA etc. “Made in DUNHUI” in many Countries.

“DUNHUI” is your correct choice. Welcome to visit

1. stainless steel flat/plain washer,spring washer,lock washer and tab washer

2. Specifications

High Strength Bolts and Nuts

1. Material: 35k,q235, c1010
2. Surface: Black, ZP, HDG
3. Grade: 4.8,6.8,8.8
4. Standards: DIN933/931/960/961/558

5. Certifications: ISO9001:2000

Hex Bolts and nut

3. The main performance and parameters

SIZE	ID(MIN)	ID(MAX)	OD(MIN)	OD(MAX)	THINKNESS(MIN)	THICKNESS(MAX)	KGS/M
M6	6.40	6.62	11.57	12.00	1.40	1.80	1.020
M8	8.40	8.62	15.57	16.00	1.40	1.80	1.830
M10	10.50	10.77	19.48	20.00	1.80	2.20	3.570
M12	13.00	13.27	23.48	24.00	2.30	2.70	6.270
M14	15.00	15.27	27.48	8.00	2.30	2.70	8.620
M16	17.00	17.27	29.48	30.00	2.70	3.30	11.30
M18	19.00	19.33	33.38	34.00	2.70	3.30	14.70
M20	21.00	21.33	36.38	37.00	2.70	3.30	17.20
M22	23.00	23.33	38.38	39.00	2.70	3.30	18.30
M24	25.00	25.33	43.38	44.00	3.70	4.30	32.30
M27	28.00	28.33	49.38	50.00	3.70	4.30	42.30
M30	31.00	31.39	55.26	56.00	3.70	4.30	53.60
M33	34.00	34.62	58.80	60.00	4.40	5.60	75.30

4. Production and testing process

5.Main products of the show and the packing and shipping

6.Quality and Safety:

We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.

7. Advantages

1) We produce parts by ourselves, which makes more competitive price and faster delivery;

2) We provide OEM/ODM service and submit various styles, latest designs to our clients;

3) We have many customers from Southeast Asia, Africa, Middle East, North America, and South America;

4) We have standard testing report from ISO, SGS and GMC;

5) We have great experience on provide high quality service to clients;

6) Welcome to visit our factory.

8.Location:

DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 9 km to Tianjin International Airport, and very close to major highways,TIANJIN port. We look forward to work with your business!