Countersunk Concrete Screws

Name: Thunderbolt Countersunk Head

Size: M8 / M10 / M12 / M14

Length: 70-260mm or customizable

Standard: ISO / DIN / ANSI / ASME / ASTM / BS / AS / JIS

Brand Name : FIXDEX

Factory : YES

Material : Q235 / 35K / 45K / 40Cr / B7 / 20MnTiB / A2 / A4 carbon steel concrete screws & stainless steel concrete screws

Grade: 7.8/8.8/9.8/10.9/12.9

Surface : BZP, YZP, zinc plated or customizable

Samples: Hex Head and Countersunk samples are free

MOQ : 1000PCS

Packing : ctn, plt or customizable

Email : info@fixdex.com

Product Detail

Product specifications	Product length	Drill Diameter do (mm)	Drill deepth h (mm)	Depth of burial hnom (mm)	Anchor Thickness thx (mm)	Anchor Aperture d (mm)
M8	70-130	8	80-140	65	5-65	12
M10	70	10	80	65	5	14
M10	90-260	10	100-270	85	5-175	14
M12	90	12	100-270	85	5	16
M12	110-150	12	120-160	100	10-50	16
M14	110	14	120	100	10	18
M14	135-160	14	170	125	10-35	18

Product specifications		M8	M10	M12	M14
Depth of burial hnom (mm )		65	65 85	85 100	100 125
Min substrate thickness hmin (mm)		120	120 160	130 160	160 210
Tinst max (Nm)		≤20	≤40	≤60	≤80
Non-cracking concrete	Tension(KN)	14.88	11.86 19.17	14.28 19.96	19.17 29.82
	Shearing Force(KN)	8.93	13.95	21.97	31.08
	Min margin Cmin (mm)	65	80	100	115
	Min spacing Smin (mm)	50	60	75	85
0.3 mm cracked concrete	Tension(KN)	8.81	8.33 13.48	10.04 14.03	13.48 20.96
	Shearing Force(KN)	8.93	13.95	21.97	31.08
	Min margin Cmin (mm)	65	80	100	115
	Min spacing Smin (mm)	50	60	75	85