Fortress Screws Catalogue

Page 25

Self Tapping Screws Specifications

Manufactured to appropriate IFI or Din standard Materials: Steel C1022 Stainless grade 304 passivated and waxed

T17 POINT

LEAD POINT

T17 POINT

SPECIFICATIONS

THREAD DIAMETER

SCREW SIZE 4G (2.85MM)

4G 6G 8G 10G 12G 14G

2.85MM 3.5MM 4.2MM 4.8MM 5.4MM 6.4MM

TORSIONAL STRENGTH 4G 6G 8G 10G

STEEL

STAINLESS

2.5 Nm 3.5 Nm 6.4 Nm 10.0 Nm

2.2 Nm 3.0 Nm 3.8 Nm 6.0 Nm

DRILL SIZES FOR SELF TAPPING SCREWS MATERIAL THICKNESS (MM) RECOMMENDED PILOT HOLE SIZE (MM) 1.00 2.30 2.00 2.60

6G (3.5MM)

1.00 2.50

2.80 3.20

8G (4.2MM)

1.00 2.00 3.00

3.10 3.50 3.80

10G (4.8MM)

1.00 2.50 4.50

3.50 4.00 4.40

12G (5.4MM)

2.00 3.00 5.00

4.60 4.90 5.10

14G (6.4MM)

3.00 6.50

5.70 6.00

Durability:

Yellow Zinc: 3-5 Microns Recommended for indoor use only Stainless Steel: For outdoor use

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