MACHINE SCREW:

DIN7985, DIN84
The square drive is introduced as Type III in IFI 7th. Also, introduced are combined drive systems reflecting the expressed needs of users. IFI recommends that when selecting a head style for machine screws, the first design consideration be given to following five head styles:
-flat countersunk
-oval countersunk
-pan
-hex
-hex washer


MACHINE SCREWS

Thread cutting screws.Types 1, 23 & F

UNC-Coarse UNF-Fine
SIZE-TP1 SIZE-TP1

1-64

2-56

3-48

4-40

5-40

6-32

8-32

0-24

10-24

12-24

1/4-20

5/16-18

3/8-16

7/16-14

1/2-14

9/16-12

5/8-11

3/4-10

7/8-9

1-8

0-80

1-72

2-64

3-56

4-48

5-44

6-40

8-36

10-32

12-28

1/4-28

5/16-24

3/8-24

7/16-20

1/2-20

9/16-18

5/8-18

3/4-16

7/8-14

1-14

 





SLOTTED FILLISTER HEAD


SLOTTED BINDING HEAD



CROSS RECESSED INDENTED AND NON-INDENTED HEX HEAD MACHINE SCREWS


CROSS RECESSED TYPE I INDENTED HEX WASHERHEAD MACHINE SCREWS


CROSS RECESSED TYPE I ROUND WACHER HEAD MACHINE SCREWS

DIN SPEC.

DIN84

 DIN 85

DIN 963

DIN 964

DIN EN ISO 1207

DIN EN ISO 1580

DIN EN ISO 2009

DIN EN ISO 2010


DIN7985

DIN 965

DIN 966

 ISO 7048

DIN EN ISO 7045

DIN EN ISO 7046-1 & 2

DIN EN ISO 7047

DIN EN SIO 7048