All Kinds of Models Seismic Back Bolt / 304 Stainless Steel Seismic Bolt/

• Material: Stainless Steel
• Type: Round Head
• Connection: Hinged Bolts
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 10.9
• Model NO.: M6 M8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Polishing
• Transport Package: Export Packing
• Specification: Can be customized
• Trademark: SANJU
• Origin: Hebei
• HS Code: 7317000000
• Production Capacity: 1000000

Product Description

The back bolt is made of high-quality stainless steel material, and the back bolt has corresponding anchor bolt matching with different plate thickness and specifications.

The post-cut back bolt dry hanging system can effectively fix various curtain wall plates, and the hidden "internal wedge cutting" method is suitable for various internal and external decoration of buildings, which is composed of stainless steel back bolts, aluminum alloy connectors, and metal keels.
 

Insert the back bolt sleeve into the extended hole and tighten it into place using a matching screw. Backcut technology is composed of drilling tools and pendant systems, and the appearance of this technology broadens the horizon of curtain wall design.

1, can be connected with the support structure system.

2, can be connected with the frame structure system.

3, can be used for fork-shaped back bolt and implantable back bolt for direct installation.

 

The back bolt anchoring system can effectively fix marble, granite, microcrystalline stone, ceramic plate, crystal glass and various artificial fiber boards, etc., suitable for plate thickness 8-40mm.

D1= hole diameter

D2= extension hole diameter

H = sheet thickness

Hs = Back bolt size

Xa = thickness of outer hexagon

M6 Drilling control diagram M8 Drilling control diagram Xz = Mounting thickness

• Hole size

	M6	M8
D1(Range of positive and negative differences +0.3-0.2)	Ф7.2	Ф9.5
D2(Range of positive and negative differences ±0.3)	Ф9.5±0.3	Ф11.5±0.3
Bolt size (Hsl:M6+2.9,M8+3.1)	5 7 10 12 15	15 18 20