DIN 7981 Cross Slotted Pan Head Sheet Metal Stainless Steel Self Drilling Screws

DIN 7981 Cross Slotted Pan Head Sheet Metal Stainless Steel Self Drilling Screws

Description:
 

DIN 7981 Stainless Steel 304 Cross slotted Pan Head Self Tapping Metal Screws also equal to Cross recessed pan head self tapping screws/DIN 7981 (ISO 7049) is Cross Recessed Pan Head Tapping Screw. Type H: Phillips drive. Type Z: Pozi drive. ASME B18.6.3 2010 self tapping screws.

Self - tapping Screw is in metal or nonmetal material drilled are cooperate with one of the female thread tapping out their kind of threaded fasteners.Due to its shape or thread tapping out with it, so in combination with high locking ability, and can be loading and unloading.In the small screw on its size, thread type, head shape, tapping drill on the project USES high tensile performance, units, and unilateral combination characteristic is limitless.Self tapping screw materials can be divided into carbon steel and stainless steel two kinds, including carbon steel material is given priority to with 1022 medium carbon steel.Usually used in Windows and doors, iron sheet.Increase the head is made from one end of the shape of the part of the formation of the bearing surface.For thread forming and cutting self-drilling screw, self-tapping screw, flat Head (FlatCountersunk), Oval Head (Oval Countersunk), Pan Head (Pan), wire Head Hex and Hex China (Hex and Hex washer Head) is the most important, these five Head type accounted for almost 90% above all self tapping screw, using the self tapping screw, self-tapping screw) should be put on the first.For another five other type Flat concave bearing surface (Flat Undercut), Flat the whole edge (Flat Trim), Oval concave bearing surface (Oval Undercut), Flat the whole edge (Oval Trim) and the cylinder head (sloping hills Fillister) to compare the secondary head type, and the top head. Thread rolling into self-drilling screw, self-tapping screw head type of choice, with the use of main consideration mushroom head (Truss), Round head (Round) and 100 degrees Flat head for new design does not take, cover its function can be replaced by other head type, pan head can replace the mushroom head and Round head, Flat head 82 degrees can replace for the 100 degrees Flat, Flat roof, pan head, hex and hex washer head, five types.

Size: 3.5 x 9.5/3.5 x 13/3.5 x 16/3.5 x 19 mm

4.2 x 9.5/4.2 x 13/4.2 x 16/4.2 x 19/4.2 x 22 mm

4.8 x 13/4.8 x 16/4.8 x 19/4.8 x 22mm

We are very competive on this screw, If you have more questions,Please contact us by email: me@hainafastener.com 

Specification:

Application: