Black M27 Heavy Nuts High Strength GB6170 Hex Nuts

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, GOST, BSW, ISO Uni
• Grade: 8.8
• Model NO.: GB6170- M27- Class - Black
• Material Name: Steel 45
• Property Class: Class 6/8/10/12
• Surface Treatment: Black Oxide
• Transport Package: Pallet+Carton
• Specification: 25kg/carton
• Trademark: as requested by buyer
• Origin: China
• HS Code: 73181600
• Production Capacity: 2000000PCS/Month

Product Description

Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,  
 specialized in producing Nuts since 1985,
Standard Nuts (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM );
And Special Nuts ( Slotted nuts,Nylon insert nuts,Flange Nuts,Self-hold Nuts,Square Nuts,Cap Nuts,etc.)
 

     GB/T 6170 - M27 - Class8 - Black Oxide

 

(samples with surface treatment of  Black oxide)
Materrial and surface teatment can be replaced with as below:
 

Mechnical Property	Material	Surface Treatment
Class 6 / 8/ 10 /12	C45 40Cr 35CrMo 42CrMo	♦Plain+oil ♦Zinc Plated ♦Black Oxide ♦Phosphate ♦Dacromet ♦Geomet

 

 

Packing way: 25kg/carton, 1.5tons-2.5tons / pallet ; or as requested by buyer.
If you want know more information, pls contact with us.                                     

P.S.:  Please contact us to re-quote the exact price before placing an order, due to material price is unstable.


 

D	M24	M27	M30	M33	M36	M39	M42	M45	M48	M52	M56	M60	M64
P	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5	6
C	0.8-0.2	0.8-0.2	0.8-0.2	0.8-0.2	0.8-0.2	1-0.3	1-0.3	1-0.3	1-0.3	1-0.3	1-0.3	1-0.3	1-0.3
da	25.9-24	29.1-27	32.4-30	35.6-33	38.9-36	42.1-39	45.4-42	48.6-45	51.8-48	56.2-52	60.5-56	64.8-60	69.1-64
dw min	33.3	38	42.8	46.6	51.1	55.9	60	64.7	69.5	74.2	78.7	83.4	88.2
e min	39.55	45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25	93.56	99.21	104.86
m	21.5-20.2	23.8-22.5	25.6-24.3	28.7-27.4	31-29.4	31.8-25.4	34-32.4	36-34.4	38-36.4	42-40.4	45-43.4	48-46.4	51-49.1
mw min	16.2	18	19.4	21.9	23.5	25.4	25.9	27.5	29.1	32.3	34.7	37.1	39.3
s	36-35	41-40	46-45	50-49	55-53.8	60-58.8	65-63.1	70-68.1	75-73.1	80-78.1	85-82.8	90-87.8	95-92.8

 

 

 

 

  Other Hex Nuts we supply

Pls contact with sales manager for more information.

  Our Factory Introduction

                                    WHO WE ARE
                                    With over 35 years of experience,Tagong is the expert in the manufacturing standard fasteners and special fasteners.
                                    Our passion for excellence has driven us to become a globe supplier.Our products have been export to Europe,
                                    Australia,North America and South Asia.Well received by customer.
                                    Established in 1985,our 60,000 square meters state-of-the-art manufacturing facility founded in Jinjiang City has a large
                                    capacity to produce specialty fasteners to our customer's unique specifications,and drawings.We have and integrated
                                    process of hot forging.It introduced advanced producing and inspection equipments .
                                    Certificated with ISO9001/2015, GB/T19001-2016,and SGS certificate test.

                                    Development History


                                    Production Workshop