1、DC 621.993.1.02-229.2 DEUTSCHE NORMEN February 197! - Tap Wrenches Adj u sta b I e rF-l- I - - 12 =-I i - DIN 1814 I I I 4 5.5 16 22 Windeisen, einstellbar I I - +2 *l 26 60 500 180 Dimensions in mm 1 Other relevant Standards DIN 1692 Malleable cast iron; definition, properties, acceptance DIN 1743
2、Part 2 High purity zinc castine alloys; pressure die, sand and gravity die castings t, up to per. dev. per. dev. rnax. rnax. rnax. 2 5 7 10 20 125 56 13 I 4.9 I 12 I 16 I I 20 I I 45 I 375 I 140 I 7 28 67 750 I 200 L5 *) To be stated as 1.5 in the Standard designation Continued on page 2 Explanation
3、s on page 2 )le . - sale rights of German Standards (DIN-Normen) are with Beuth Verlag GrnbH. Berlin 30 and Kln 1 DIN 1814 engl. Preisgr. Ven r. -N r . O 1 04 J.80 Page2 DIN 1814 3 Material 3.1 Clamping jaws Steel at manufacturers discretion, with a tensile strength of at least 400 N/mm2. 3.2 Body S
4、teel (St), malleable cast iron (GT) according to DIN 1692 or, for tap wrenches up to size 4, zinc pressure die casting alloy (GD-Zn) according to DIN 1743 Part 2, at manufacturers discretion. 3.3 Handle Steel at manufacturers discretion If a specific material is required, this is to be stated in the
5、 designation when ordering. The designation then reads, e.g., for a tap wrench of size 4 of steel (St): Tap wrench DIN 1814 - 4 St 4 Finish Clamping jaws hardened, hardness (630 I 30) HV 10 5 Marking Tap wrenches conforming to this Standard are to be marked on the body or handle with the size, the D
6、IN number, the manufacturers name or trade mark. Further Standards DIN 10 Part 1 Driving squares for tools and shank diameters according to IS0 for rotating tools; dimensions DIN 352 Screwing taps in sets; set of three for coarse IS0 metric threads from M 1 to M 68 Explanations Tap wrenchesaccording
7、 to DIN 1814 are specified in 9 different sizes. The capacity range is so designed, that it can accept square-shank tools according to DIN 10 Part 1, April 1973 edition, table 1 and also tools with dimensions according to table 2. Through the adjustable capacity range, screwing taps up to M 52 can be adopted. In the case of xrewing taps with dimensions to the International Standard IS0 529 - 1975, screwing taps up to size M 64 can be adopted.
