Table 1.
Bearing strength of 6.3mm diameter screw

		Bearing strength (MPa)
		perpendicular to grain	parallel to grain
			N	9	8
	Average	36.94	47.81
	St. dev	4.81	5.48
	COV	13.01%	11.45%
	Max	44.83	55.55
	Min	31.58	40.28
Prediction	NDS 2012 (G=0.54)	36.83
	KBC (G=0.50)	31.97