Información técnica general

Breaking load and tightening torque of polyamide 6-6 bolts
This table contains information on breaking load and tightening torque for polyamide 6-6 bolts and screws.  The following figures are theoretical and are based on a tensile strength of 60 MN/m2. The figures are guidelines only. <...
Chemical composition of set screws

The following table contains information on the chemical composition of set screws per property class. Set screws shall be made of steel conforming to the requirements specified below. For property class 45H, other materials may be used...
Chemical composition stainless steel

The following table is an extract from DIN 267 Part 11. It contains information on the chemical composition of austenitic, martensitic and ferritic steels in % by weight.

1 sulfur may be replaced by selenium
2 may contain ...
Chemical resistance of polymers
This table contains information on the chemical resistance of polymers.  A = good
B = moderate
C = bad
Comparative international stainless steel grades

This table gives an overview for comparison of the different international stainless steel grades.
Comparison of hexagon head bolts and screws

This table contains information on ISO, ANSI and DIN comparison of hexagon head bolts and screws. values in mm
1) The DIN 931/933 standards dated 1982/1983 are in agreement with ISO 4014/17 standards dated 1979. ...
Comparison of hexagon nuts

This table contains information on ISO, ANSI and DIN comparison of hexagon nuts. values in mm
THREAD TOLERANCE: All standards specify a thread tolerance of 6h before and after plating.
All the other geometric...
Comparison of hexagon socket head cap screws

This table contains information on ISO, ANSI and DIN comparison of hexagon socket head cap screws. values in mm
THREAD LENGTH:

Identical.
THREAD TOLERANCE:
DIN and ISO specify a thread ...
Conversion table: inches to millimeters
This table can be read from left to right to convert inches to inches in decimal notation to millimeters. But the table can also be read from right to left to convert millimeters to inches (by approximation).
Designation system for stainless steel

The steel grades and property classes are designated by a four character identifier consisting of a letter followed by three digits, for example A2-70. The letter indicates the general composition group (e.g. A is Austenitic). The first...
ISO standard tolerances
This table contains information on ISO standard tolerances.
ISO tolerances for external thread
This table contains information on tolerances for external thread.
ISO tolerances for internal thread
This table contains information on tolerances for internal thread.
Limits of sizes for metric coarse thread
This table contains information on limits of sizes for metric screw thread, coarse series, fit 6H/6g. values in mm

1) The values for sizes 1 up to and including 1.4 mm correspond to the fit 5H/6h.
2) Metric screw thread...
Limits of sizes for metric fine thread
This table contains information on limits of sizes for metric screw thread, fine series, fit 6H/6g. values in mm
Metric screw thread, fine series, is designated by the basic diameter, preceded by the profile letter M and followed...
Mechanical properties - Austenitic grades

This table contains information on the mechanical properties of stainless steel bolts, screws and nuts according to ISO 3506.
Mechanical properties of non ferrous metals
This table contains information on the mechanical properties of non ferrous metals.  
Mechanical properties of set screws

The following table contains information on the mechanical properties of set screws per property class. 


Mechanical properties of steel bolts
This table contains information on the mechanical properties of steel bolts, screws and studs.  
1) For structural bolting: >M 12.
2) Applies only to sizes up to 16 mm thread diameter.
3) Hardness values calculated on...
Mechanical properties of steel bolts at elevated temperatures
This table contains information on the mechanical properties of bolts at elevated temperatures.  
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