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Seismic anchor bolt

Internal thread anchor bolt B-LG B-LG A4

Product Introduction：

nternal thread anchor bolt b-ig is an extension of bolt type anchor bolt type B product. There is no need for reaming during installation, so special reaming tools are not required. With the tightening of bolts, the expansion vertebral body of anchor bolt moves relative to the expansion sheet, which makes the expansion plate open automatically and realizes the safe anchoring. The edge distance and spacing are smaller than that of percussion anchor bolt. It can be used with various types of bolts or screws, and can adapt to different anchor thickness by adjusting the screw in depth of bolts. Easy to disassemble and install.

Product Parameters

Anchor bolt length I

Anchor bolt model	Hole diameter × depth（mm）	Installation depth hnom（m m）	Anchor bolt length I（mm）	Screw bolt length（mm）	Internal thread specification（mm）	packing box/branch	Weight per box（kg）
B-IG M6×45	8×60	51	45	tfix+10	M6×15	100	1.39
B-IG M8×50	10×65	57	50	tfix+12	M8×15	100	2.4
B-IG M10×60	12×80	71	60	tfix+15	M10×20	50	1.95
B-IG M12×75	16×95	84	75	tfix+20	M12×26	25	2.23

Anchor bolt model	Hole diameter × depth（mm）	Installation depth hnom（mm）	Anchor bolt length I（mm）	Screw bolt length（mm）	Internal thread specification（mm）	Box / piece	Weight per box（kg）
B-IG M6×45 A4	8×60	51	45	tfix+10	M6×15	100	1.41
B-IG M8×50 A4	10×65	57	50	tfix+12	M8×15	100	2.45
B-IG M10×60 A4	12×80	71	60	tfix+15	M10×20	50	1.98
B-IG M12×75 A4	16×95	84	75	tfix+20	M12×26	25	2.29

Bearing design value	Internal thread anchor bolt B-IG	M6×45		M8×50		M10×60		M12×75
		Non cracking concrete
		Screw Grade 5.8 steel	Stainless steel A4-70	Screw Grade 5.8 steel	stainless steel A4-70	Screw Grade 5.8 steel	Stainless steel A4-70	Screw Grade 5.8 steel	Stainless steel A4-70
Recommended tensile design value	C25 NRd (KN)	6.0	6.7	7.8	7.8	10.5	10.5	14.3	14.3
	C30 NRd(KN)	6.0	7.3	8.7	8.7	11.5	11.5	15.8	15.8
	C37 NRd (KN)	6.0	7.4	9.7	9.7	12.7	12.7	17.5	17.5
	C50 NRd (KN)	6.0	7.4	11.2	11.2	14.8	14.8	20.2	20.2
	C60 NRd (KN)	6.0	7.4	11.3	12.2	16.0	15.5	22.3	22.3
Recommended shear design value	≥C25 NRd (KN)	4.1	4.5	5.5	7.4	5.7	9.4	19.9	22.1
Recommended design value of bending moment	MRd （Nm	5.9	6.9	15.3	16.8	39.2	33.5	63.8	58.7
Margins and spacing
Effective anchorage depth	he(mm)	39		43		52		64
Critical spacing	Scr N(mm)	117		129		156		192
Critical margin	Ccr N(mm)	58.5		64.5		78		96
Minimum margin	Smin(mm)	50		55		75		90
Minimum margin	Cmin(mm)	50		65		90		105
Minimum anchor foundation thickness	hmin (mm)	100		100		110		130
Installation parameters
Turning head size and diameter	do(mm)	8		10		12		16
Hole diameter of anchor plate	df(mm)	7		9		12		14
Depth of turning hole	h1(mm)	60		65		75		95
Installation torque	Tinst(Nm)	6		15		30		50

Product Details

Product application: the application of non cracking concrete in the side distance and spacing is particularly small, or the anchor parts need to be removed frequently, or the appearance requires beautiful medium-sized structure fixation: pylon, steel cable, ventilation equipment, channel rail, etc.

Bearing range: 2.9kn-15.9kn

Concrete strength: c25-c60

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