Galvanized Long Square Neck Round Head Carriage Bolt Mushroom Head Bolt

• Material: Stainless Steel
• Type: Round Head
• Connection: Hinged Bolts
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS
• Grade: 12.9
• Model NO.: Various models
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Polishing
• 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: 7318159001
• Production Capacity: 50000

Product Description

Please consult customer service for detailed specifications. 
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