BS EN 20898-2 Proof load values

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BS EN 20898-2 Proof load values

Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data

BS EN 20898-2 Proof load values - Coarse thread

Thread	Thread pitch (mm)	Nominal stress area of the mandrel A_s (mm²)	Property class
			04	05	4	5	6	8		9	10	12
			Proof load (A_s x S_p) (N) style 2
			-	-	style 1	style 1	style 1	style 1	style 2	style 2	style 1	style 1	style 2
M3 M3.5 M4 M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39	0.5 0.6 0.7 0.8 1.0 1.0 1.25 1.5 1.75 2.0 2.0 2.5 2.5 2.5 3.0 3.0 3.5 3.5 4.0 4 .0	5.03 6.78 8.78 14.2 20.1 28.9 36.6 58 84.3 115 157 192 245 303 353 459 561 694 817 976	1 910 2,580 3,340 5,400 7,640 11,000 13,900 22,000 32,000 43,700 59,700 73,000 93,100 115,100 134,100 174,400 213,200 263,700 310,500 370,900	2,500 3,400 4,400 7,100 10,000 14,500 18,300 29,000 42,200 57,500 78,500 96,000 122,500 151,500 176,500 229,500 280,500 347,000 408,500 488,000	- - - - - - - - - - - 97,900 125,000 154,500 180,000 234,100 286,100 353,900 416,700 497,800	,600 3,550 4,550 8,250 11,700 16,800 21,600 34,200 51,400 70,200 95,800 121,000 154,400 190,900 222,400 289,200 353,400 437,200 514,700 614,900	3,000 4,050 5,250 9,500 13,500 19,400 24,900 39,400 59,000 80,500 109,900 138,200 176,400 218,200 254,200 330,500 403,900 499,700 588,200 702,700	4,000 5,400 7,000 12,140 17,200 24,700 31,800 50,500 74,200 101,200 138,200 176,600 225,400 278,800 324,800 422,300 516,100 638,500 751,600 897,900	- - - - - - - - - - - 170,900 218,100 268,700 314,200 408,500 499,300 617,700 727,100 868,600	4,500 6,100 7,900 13,000 18,400 26,400 34,400 54,500 80,100 109,300 149,200 176,600 225,400 278,800 324,800 422,300 516,100 638,500 751,600 897,900	5,200 7,050 9,150 14,800 20,900 30,100 38,100 60,300 88,500 120,800, 164,900 203,500 259,700 321,200 374,200 486,500 594,700 735,600 866,000 1,035,000	5,700 7,700 10,000 16,200 22,900 32,900 41,700 66,100 98,600 134,600 183,700 - - - - - - - - -	5,800 7,800 10,100 16,300 23,100 33,200 42,500 67,300 100,300 136,900 186,800 230,400 294,400 363,600 423,600 550,800 673,200 832,800 980,400 1,171,000

BS EN 20898-2: Marking symbols for nuts with property classes in accordance with BS EN 20898-2 clause 3.1

BS EN 20898-2 Proof load values – Coarse thread

^aThe marking dot cannot be replaced by the manufacturer’s mark.

BS EN 20898-2 Marking symbols for nuts with property classes in accordance with BS EN 20898-2 clause 3.2

Marking symbols for nuts with property