．
 DRYWALL SCREW
．
 ELF-DRILL ZINC PLATED SCREWS
．
 CONCRETE, MASONRY TAPPING SCREWS
．
 CEMENT BOARD SCREWS
．
 WINDOW SCREW
．
 SECF TAPPING SCREW
．
 STANDARD BOLT
．
 MACHING SCREW
．
 CHIPBOARD SCREW
．
 SELF DRILLING SCREW FOR ROUFING & CONSTMCTION
．
 AUSTRALIA STANDARD SCREW
．
 SCREW FOR TIMBER
．
 SCREW FOR SHEET METAL FRAME
 
Combination Hex Washer and Phillips Flat Head Styles
SIZE
HEX HEAD

FLAT HEAD
3/16 x 1 1/4
3/16 x 1 1/4
3/16 x 1 3/4
3/16 x 1 3/4

3/16 x 2 1/4
3/16 x 2 1/4
3/16 x 2 3/4
3/16 x 2 3/4
3/16 x 3 1/4
3/16 x 3 1/4
3/16 x 3 3/4
3/16 x 3 3/4
3/16 x 4
3/16 x 4
1/4 x 1 1/4
1/4 x 1 1/4
1/4 x 1 3/4
1/4 x 1 3/4
1/4 x 2 1/4
1/4 x 2 1/4
1/4 x 2 3/4
1/4 x 2 3/4
1/4 x 3 1/4
1/4 x 3 1/4
1/4 x 3 3/4
1/4 x 3 3/4
1/4 x 4
1/4 x 4
1/4 x 5
1/4 x 5
1/4 x 6
1/4 x 6
  • State-of-the-art thread angles for ease of installation and maximum holding power. Designed for today's structural concrete.
  • CR-10 Coating offers high resistance to corrosion.
  • Easily removable for temporary construction situations.
  • Shear and tensile values second to none !
  • Highest pull out values with least penetration.
  • 1" penetration yields as much pull out value as 1 1/2" to 2" of penetration of any other brand.
  • Available in 18-8 Stainless Steel
Fastener Selection Guide
DIAGRAM
A
ATTACHED
FIXTURE
B
DEPTH OF
DRILLED HOLE
C
LENGTH
BIT
LENGTH

0* - 1/4"

1/4" - 3/4"

3/4" - 1 1/4"

1 1/4" - 1 3/4"

1 3/4" - 2 1/4"

2 1/4" - 2 3/4"

2 3/4" - 3

 1 1/2"

2"

2 1/2"

3"

4"

4 1/4"

1 1/4"

1 3/4"

2 1/4"

2 3/4"

3 1/4"

3 3/4"

4"

3 1/2"

3 1/2"

4 1/2"

4 1/2"

5 1/2"

5 1/2"

5 1/2"