NP Ltd - Self Clinching fasteners, Rivet Bushes, Sheetnuts, Inserts for Plastics.

Rockwell				Brinell	Vickers	Knoop	Approx. Tensile Strength of Steel (PSI)
A Scale	B Scale	C Scale	D Scale	3000 kg 10 mm Ball		500 g or greater Load
0 kg Diam. Brale	100 kg 1/16" Ball	150 kg Diam. Brale	100 kg Diam. Brale	3000 kg 10 mm Ball		500 g or greater Load
64.8	-	29.2	47.1	280	295	305	-
64.5	-	28.5	46.5	275	290	300	-
64.2	-	27.8	46.0	270	285	296	133,000
63.8	-	27.1	45.3	265	280	291	-
63.5	-	26.4	44.9	261	275	286	129,000
63.1	-	25.6	44.3	256	270	282	-
62.7	-	24.8	43.7	252	265	277	-
62.4	-	24.0	43.1	247	260	272	122,000
62.0	-	23.1	42.2	243	255	267	-
61.6	99.5	22.2	41.7	238	250	262	-
61.2	-	21.3	41.1	233	245	258	115,000
60.7	98.1	20.3	40.3	228	240	253	-
-	-	-	-	-	235	-	-
-	96.7	-	-	219	230	243	105,000
-	-	-	-	-	225	-	-
-	95.0	-	-	209	220	234	100,000
-	-	-	-	-	215	-	-
-	93.4	-	-	200	210	226	98,000
-	-	-	-	-	205	-	-
-	91.5	-	-	190	200	216	-
-	-	-	-	-	195	-	90,000
-	89.5	-	-	181	190	206	-
-	-	-	-	-	185	-	-
-	87.1	-	-	171	180	196	83,000
-	-	-	-	-	175	-	-
-	85.0	-	-	162	170	185	79,000
-	-	-	-	-	165	-	-
-	81.7	-	-	152	160	175	-
-	-	-	-	-	155	-	-
-	78.7	-	-	143	150	164	71,000
-	-	-	-	-	145	-	-
-	75.0	-	-	133	140	154	-
-	-	-	-	-	135	-	-
-	71.2	-	-	124	130	143	63,000
-	-	-	-	-	125	-	-
-	66.7	-	-	114	120	133	-
-	-	-	-	-	115	-	56,000
-	62.3	-	-	105	110	123	-
-	-	-	-	-	105	-	-
-	56.2	-	-	95	100	112	-
-	52.0	-	-	90	95	107	-
-	48.0	-	-	86	90	102	-
-	41.0	-	-	81	85	97	-

RoHS compliance