8.8 Grade Hot-DIP Galvanized Carriage Bolts/4.8 Round Head Square Neck Bolt

• Customization: Available
• Material: High Strength Steel
• Type: Round Head
• Model NO.: Various specifications
• Connection: Hinged Bolts
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS
• Grade: 12.9
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Performance: 4.8 , 8.8 , 10.9 ,12.9 Grade
• Surface Treatment: Black Oxide/Galvanized/Polishing
• Size: Can Be Customized
• Transport Package: Export Packing
• Specification: M6-M20
• Trademark: SANJU
• Origin: Hebei
• HS Code: 7318151001
• Production Capacity: 50000000

Product Description

Please consult customer service for detailed specifications. 
National standard, German standard, American standard.
Customize various types of screws, nails.Bolts, anchor bolts, expansion bolts. All kinds of metal products. 
Size can be customized. (Samples can be sent.)
Your enquiry is welcome. Thanks dear.  
Carbon steel, stainless steel, polished, electrogalvanizing, hot dip galvanizing, black, high strength, 8.8 grade, national standard. German standard, American standard, etc

Please consult customer service for detailed specifications. 
Customize various types of screws, nails.Bolts, anchor bolts, expansion bolts. All kinds of metal products. 
Your enquiry is welcome. Thanks dear.  

Size can be customized. 

Nomlnal Stze Baslc Bolt Oiameter		E		A		H		O		p		Q	R
		Body Dlameter		Head Dlameter		Head Height		Square Wkdth		Squara Dopth		Comer Radlus on Square	Flllet Radius
		Max	Min	Max	Mln	Max	Min	Max	Min	Max	Mln	Max	Max
No.10 1/4 5/16	0.1900 0.2500 0.3125	0.199 0.260 0.324	0.182 0.237 0.298	0.469 0.594 0.719	0.436 0.563 0.688	0.114 0.145 0.176	0.094 0.125 0.156	0.199 0.260 0.324	0.185 0.245 0,307	0.125 0.156 0.187	0.094 0.125 0.156	0.031 0.031 0.031	0.031 0.031 0.031
3/8 7/16	0.3750 0.4375	0.388 0.452	0,360 0.421	0.844 0.969	0.782 0.907	0.208 0.239	0.188 0.219	0.388 0.452	0.368 0.431	0.219 0.250	0.188 0.219	0.047 0.047	0.031 0.031
1/2	0.5000	0.515	0.483	1.094	1.032	0.270	0.250	0.515	0.492	0.281	0.250	0.047	0.031
5/8 3/4 7/8	0.6250 0.7500 0.8750	0.642 0.768 0.895	0.606 0.729 0.852	1.344 1.594 1.844	1.219 1.469 1.719	0.344 0.406 0.459	0.313 0.375 0.438	0.642 0.768 0.895	0.616 0.741 0,865	0,344 0.406 0.469	0.313 0.375 0.438	0.078 0.078 0.094	0.062 0.062 0.062
1	1.0000	1.022	0,976	2.094	1.969	0.531	0.500	1.022	0.990	0.531	0.500	0.094	0.062
See Notes	1,3	4		5		6				7			2,8