HOW TO ORDER PERFORATED METALS

1.  QUANTITY -- Number of pieces

2.  WIDTH -- In inches or fractions thereof.

3.  LENGTH-- In inches or fractions thereof.

4.  OPENING-- Hole size and shape, hole centers and arrangement either straight or staggered. If slots are employed specify direction of slots and type of pattern (end or side staggered). Specify width of bar or open area. If material flows over the sheet for screening purposes specify direction of flow in relation to width and length. Normally a staggered pattern is produced with the inline holes parallel to the long edge of the sheet. Although it is possible to produce the inline holes in the opposite direction in some cases, it is best to consult the factory where this type of pattern is required.

5.  PLATE THICKNESS -- In decimals of an inch or U.S.S. steel gauge for steel, stainless or aluminum, (whichever applies).

6.  TYPE OF MATERIAL -- Specify type of plate: Plain steel (either hot or cold rolled) stainless, aluminum, brass or galvanized.

7.  MARGINS -- Dimension of margins, state minimum and maximum allowable. Send sketch or sample whenever possible. Normally an unfinished pattern is produced at the beginning and end of the sheet (see drawing). In some cases it is possible to produce a finished pattern but it may require special tooling. Please consult the factory for a finished pattern.

8.  EDGE PREPARATION -- If the plate is to be formed for mounting in a machine specify: Machine make and hook style.

9.  TOLERANCE -- If your application requires specific tolerances for width, length, squareness or similar specifications it is important to specify while ordering.

10.  ROTARY SCREENS -- Precise dimensions and drawings should always be supplied because of the accuracy involved.

11.  SCALPING SCREENS -- Heavy duty perforating is available in our heavy duty department to meet almost all scalping plate requirements.

12.  RUBBER COVERED PLATE -- Specify thickness of plate, rubber and type of rubber desired.

13.  FURTHER FABRICATION -- Rolling, forming, shearing, welding, brazing and similar fabrications are available at the factory.