Bumax Stainless Steel Taptite (DIN7500) Screws

Hole sizes. Torque and forces for Taptite
	Material Thickness	Dimensions
		M3	M4	M5	M6	M8	M10
	0.1-1.5	2.70	3.65
	1.51-2.5	2.80	3.65	4.60	5.5
	2.51-4	2.80	3.70	4.70	5.6	7.5	9.3
	4.01-6.5	2.85	3.75	4.70	5.6	7.5	9.3
	6.51-10		3.80	4.75	5.65	7.6	9.4
	10.01-15				5.7	7.7	9.5
	15.01-20					7.7	9.6
Breaking Torque in Nm min	Bumax Hard	4.5	7.9	13	20	30	52
	Standard TT	2.2	3.8	7.8	13	32	45
Tightening Torque Mv i Nm	Bumax Hard	1.3	3	6	12	25	49
	Standard TT	1.2	2.7	5.4	9.3	22	40

The Mv recommendations refer to burr-free surfaces lubricated with a good quality lubricant.

The Mv-recommendations are calculated assuming a coefficient of friction of 0.16 that requires a good-quality lubricant

Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.