ISO公制螺纹规 M5*0.8 东莞市必途仪器有限公司

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产品名称：ISO公制螺纹规
产品型号：M5*0.8
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ISO公制螺纹规coventry[英国考文垂] ISO METRIC PLUG, RING AND CALIPER THREAD GAUGES Gauges for testing ISO metric screw threads to BS 3643:1981, and BS 919:Pt 3:1968.

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ISO公制螺纹规

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ISO METRIC PLUG, RING AND CALIPER THREAD GAUGES

Gauges for testing ISO metric screw threads to BS 3643:1981, and BS 919:Pt 3:1968.
BS 3643 comprises two parts.

Part 1 provides information and data on the basic principles, and is based on
ISO 965/1 and ISO 965/3.
Part 2 tabulates diameters of coarse, constant and fine pitch series threads, and is based on ISO 965/2.
BS 919: Pt3: 1968 contains the recommended gauging system for checking ISO metric threads in accordance with BS 3643. It is based on ISO 1502. The basic profile of the ISO threads is shown below.

BS 3643 Pt1 and Pt2 specifies the fundamental deviations and tolerances for e.g. 5H, 6H, 6G and 7H for internal threads, and 4h, 6g, 6e, 8g for external threads.
Generally 6H/6g are regarded as “medium fit”. The nut and bolt deviations and tolerance zones are illustrated here.

Wherever practicable, external product threads should be tested by means of ring gauges as these provide a full functional test of all thread features: pitch, angle, thread form and size.

Gauges for testing products in the pre-plating condition can be supplied. For internal threads class 6G may be used as a pre-plating condition for 6H after plating. For external threads class 6e may be used as a pre-plating condition for 6g after plating. Class 6g may also be used as a pre-plating condition for 4h after plating. When ordering gauges for other plating conditions it is helpful to advise either the effective diameters required, or the amount of plating to be applied.

The regular checking of gauges in constant use is important. Plug gauges should be checked by direct measurement of the Major and Effective diameters, using a Floating Carriage Measuring Machine or similar specialised equipment. Ring gauges may be checked by direct measurement, or preferably by using Go check and Not Go Wear check plug gauges, as specified in BS 919: Pt3: 1968.

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ISO公制螺纹规


Screw Plugs	Screw rings	Calipers

Size	G0	NOGO	'E'	Go	NOGO	ROLLER	KNIFE
	Class of fit			Class of fit		Class of fit
	6H	6H	6H	6g	6g	ANY	ANY
Coarse Pitch
M1.6X0.35	0330	0331	0330A	1100	1101	1940	2140
M1.8X0.35	0332	0333	0332A	1102	1103	1941	2141
M2.X0.40	0334	0335	0334A	1104	1105	1942	2142
M2.2X0.45	0336	0337	0336A	1106	1107	1943	2143
M2.5X0.45	0338	0339	0338A	1108	1109	1944	2144
M3.X0.50	0340	0341	0340A	1110	1111	1945	2145
M3.5X0.60	0342	0343	0342A	1112	1113	1946	2146
M4.X0.70	0344	0345	0344A	1114	1115	1947	2147
M4.5X0.75	0346	0347	0346A	1116	1117	1948	2148
M5.X0.80	0348	0349	0348A	1118	1119	1949	2149
M6.X1.00	0350	0351	0350A	1121	1122	1950	2150
M7.X1.00	0352	0353	0352A	1123	1124	1951	2151
M8.X1.25	0354	0355	0354A	1126	1127	1952	2152
M9.X1.25	0356	0357	0356A	1128	1129	1953	2153
M10.X1.50	0358	0359	0358A	1130	1131	1954	2154
M11.X1.50	0360	0361	0360A	1132	1133	1955	2155
M12.X1.75	0362	0363	0362A	1134	1135	1956	2156
M14.X2.00	0364	0365	0364A	1136	1137	1957	2157
M16.X2.00	0366	0367	0366A	1138	1139	1958	2158
M18.X2.50	0368	0369	0368A	1140	1141	1959	2159
M20.X2.50	0370	0371	0370A	1143	1144	1960	2160
M22.X2.50	0372	0373	0372A	1146	1147	1961	2161
M24.X3.00	0374	0375	0374A	1149	1150	1962	2162
M27.X3.00	0376	0377	0376A	1152	1153	1963	2163
M30.X3.50	0378	0379	0378A	1155	, 1156	1964	2164
M33.X3.50	0380	0381	0380A	1158	1159	1965	2165
M36.X4.00	0382	0383	0382A	1161	1162	1966	2166
M39.X4.00	0384	0385	0384A	1164	1165	1967	2167
M42.X4.50	0386	0387	0386A	1167	1168	1968	2168
Fine Pitch
M3.X0.35	0390	0391	0390A	1180	1181	1970	2167
M4.X0.50	0392	0393	0392A	1182	1183	1971	2168
M4.X0.75	0394	0395	0394A	1184	1185	1972	2170
M4.5X0.50	0396	0397	0396A	1186	1187	1973	2191
M5.X0.50	0398	0399	0398A	1188	1189	1974	2172
M6.X0.75	0400	0401	0400A	1190	1191	1975	2173
M7.X0.75	0402	0403	0402A	1192	1193	1976	2174
M8.X0.75	0404	0405	0404A	1194	1195	1977	2175
M8.X1.00	0406	0407	0406A	1196	1197	1978	2176
M9.X1.00	0408	0409	0408A	1198	1199	1979	2177
M10.X0.75	0448	0449	0448A	1250	-	-	2178
M10.X1.00	0410	0411	0410A	1200	1201	1980	2179
M10.X1.25	0412	0413	0412A	1202	1203	1981	-
M11.X1.00	0414	0415	0414A	1204	1205	1982	2180
M12.X1.00	0416	0417	0416A	1206	1207	1983	2181
M12.X1.25	0418	0419	0418A	1208	1209	1984	2182
M12.X1.50	0420	0421	0420A	1210	1211	1985	2183
M14.X1.00	0422	0423	0422A	1212	1213	1986	2184
M14.X1.50	0424	0425	0424A	1214	1215	1987	2185
M16.X1.00	0450	0451	0450A	1253	-	-	2186
M16.X1.50	0426	0427	0426A	1216	1217	1988	2187
M18.X1.50	0428	0429	0428A	1218	1219	1989	-
M18.X2.00	0430	0431	0430A	1221	1222	1990	2188
M20.X1.50	0432	0433	0432A	1224	1225	1991	2189
M20.X2.00	0434	0435	0434A	1227	1229	1992	2190
M22.X1.50	0452	0453	0452A	1251	-	-	2191
M22.X2.00	0436	0437	0436A	1230	1231	1993	2192
M24.X1.50	0454	0455	0454A	1252	1252A	-	-
M24.X2.00	0438	0439	0438A	1233	1234	1994	2194

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产品名称：ISO公制螺纹规