TYPE |
Made of |
SIZE RANGE |
GENERAL INFORMATION |
Cap Screws |
Steel (Grade 2) |
1/4" x 1/2" to 1-1/2" x 8" |
Grade 2, low-carbon bright. Minimum tensile strength
of 74000 psi in diameters through 3/4", and 60000 psi for diameters over
3/4" through 1-1/2". Grade 2 is not recommended for use with fine threads. |
Cap Screws |
Steel (Grade 5) |
1/4" x 1/2" to 1-1/2" x 8" |
Grade 5, medium-carbon heat-treated in a carbon
controlled atmosphere. Minimum tensile strength of 120,000 psi in diameters through
1", and 105,000 psi for diameters over 1" through 1-1/2". Grade 5 will also meet other
specifications such as ASTM A449. |
Cap Screws |
Steel (Grade 8) |
1/4" x 1/2" to 1" x 7" |
Grade 8, alloy, heat-treated in a carbon controlled atmosphere. Minimum
tensile strength of 150,000 psi. Grade 8 will also meet ASTM A354 Grade BD. |
Counterbore |
Alloy Steel |
1/4" to 1-1/2" diameters |
An externally wrenched screw that can be used in
standard counter-bored holes. |
Deck |
Steel |
6 x 1-5/8" to 10 x 4" |
Mechanically galvanized finish. Ideal for use
in cedar & pressure treated woods. |
Dowel Screws |
Steel, Brass, Stainless Steel |
3/16" x 1" to 3/8" x 6" |
|
Drive - Type U |
Steel |
00 x 1/8" to 1/4" x 3/4" |
For making permanent fastenings to ferrous and non-ferrous castings,
heavy gage sheet metals, plastics, etc. |
Drive - Type 21 |
Steel |
4 x 11/32" to 10 x 3/4" |
For fastening fabrics, fibre, leather, cardboard, etc., to sheet metal. |
| Drywall |
Steel |
6 x 1" to 10
x 6" |
Available in bugle
and trim head styles, with standard or high-low threads. With black finish. |
Knurled |
Steel |
4 x 1/4" to 1/4" x 1" |
|
Lag Screws - Hex & Square |
Brass, Silicon Bronze, Stainless Steel, Steel |
1/4" x 1" to 3/4" x 12" |
Hex head lag screws are identical in all respects to square lag screws except
for head dimensions. |
Lag Screws - Flattened End |
Steel |
1/4" x 4" to 1/2" x 5" |
Flat End lag screws have a flat end with an eye in
it. There is also a flat end lag screw drive tool for easy installation. |
Machine |
Aluminum, Brass, Silicon Bronze, Stainless Steel, Steel |
Diameters from 2
to 3/8", Lengths vary based on diameter and application. |
Machine screws come in various head styles including:
Flat, Round, Oval, Pan, Truss, Fillister, Trimmed Hex, Slotted Washer, Hex,
Hex Washer, & Binding. Most are also available in slotted and Phillips. |
Metal Building |
Steel with bonded washer |
#9 & #10 diameters, 1",1-1/2",2",2-1/2",3"
lengths |
Mechanical zinc plated for years of rust protection. |
Metal Core Nylon |
Heat treated Steel & Nylon |
6-32 thru 3/8"-16 up to 1-1/2" in length |
Metal Core screws are recommended in applications
requiring electrical, thermal and vibration insulation in shear or double shear
connections. |
One-Way - Machine |
Steel, Stainless Steel, Brass |
6-32 x 1/2" x 1/4"-20 to 1-1/2" |
Stop Vandalism and loss with special purpose
tamper-proof screws. |
One-Way - Tapping |
Steel, Stainless Steel |
6 x 1/2" x 1/4" to 3" |
Stop Vandalism and loss with special purpose
tamper-proof screws. |
One-Way - Lag |
Steel |
5/16" diameter
1-1/2",2",2-1/2",3" lengths |
Stop Vandalism and loss with special purpose
tamper-proof screws. Black finish. |
One-Way - Sex Bolts |
Steel |
1/4"-20 diameter 1-3/4",2",2-1/4",2-3/4" lengths |
Stop Vandalism and loss with special purpose
tamper-proof screws. |
Particle Board |
Steel |
7 x 1" to 9 x 3" |
Specially
angled wide spaced threads for easy use in wood. Available in square and Phillips
drive. |
Pole Barn |
Steel with bonded washer |
#9 & #10 diameters, 1",1-1/2",2",2-1/2",3"
lengths |
Mechanical zinc plated for years of rust protection. |
| Sealing |
Steel with bonded washer |
#9 & #10 diameters, 1",1-1/2",2",2-1/2",3"
lengths |
Mechanical zinc plated for years of rust protection. |
| Self
Drilling |
Stainless, Steel,
Aluminum |
|
Available with
different head styles and point styles. |
| Self
Piercing |
Steel |
6 x 3/8" to
10 x 1-1/2" |
For light gage
assembly. |
| SEMS |
Varies |
Varies |
Preassembled screw
and washer can be manufactured in an unlimited number of thread types and washer styles. |
| Set |
Alloy Steel, Steel |
#0 x 1/16" to
1" x 3" |
Available with
many different point styles. |
| Shoulder |
Alloy Steel |
1/4" x
3/8" to 3/4" x 6" |
|
| Siding |
Steel with bonded washer |
#9 & #10 diameters, 1",1-1/2",2",2-1/2",3"
lengths |
Mechanical zinc plated for years of rust protection. |
| Speed |
Steel |
6 x
3/8" to |
|
| Swageform |
Steel |
2-56 x
1/4" to 3/8"-16 X 2-1/4" |
This screw is
primarily recommended for use in heavy gauge metals, steel, brass, zinc, aluminum
castings, and forging where the conventional type of tapping screw fails because of high
driving torque and low holding power. Available in Hex washer, Pan and flat head
styles. Slotted & Phillips. |
| Tapping |
Aluminum, Brass, Silicon Bronze, Stainless Steel, Steel |
Diameters from 2
to 3/8", Lengths vary based on diameter and application. |
Use for making fastenings to light and
heavy gage sheet metals and structural steel, non-ferrous castings, plastics, resin
impregnated plywood, etc. Tapping
screws come in various head styles including: Flat, Round, Oval, Pan, Truss, Fillister,
Trimmed Hex, Slotted Washer, Hex,
Hex Washer, & Binding. Most are also available in slotted and Phillips. |
| Teks -
Type 2 |
Hardened
Steel |
6-20 x
3/8" to 10-16 x 1/1-2" |
Teks drill, tap,
and fasten in one operation. Use with lighter gage metals (1/32" to
7/64"), Fixtures, backup plates, door frames to metal studs, Framing, trim., etc.
Available in Phillips Pan and Hex Washer head styles. |
| Teks -
Type 3 |
Hardened
Steel |
10-16 x
1-2" to 1/4"-14 x 4 |
Teks drill, tap,
and fasten in one operation. Use with heavy gage metal (5/64" to
1/4"),Steel doors, Curtain walls, etc. Available in Phillips Pan and Hex Washer
head styles. |
| Teks -
Type 4 |
Hardened
Steel |
6-20 x
3/8" to 10-16 x 1/1-2" |
Teks drill, tap,
and fasten in one operation. Use with heavier gage metal (Up to 3/8"), roof
decking, bridge decking, etc. Available in Hex Washer head style. |
| Teks -
# 5 point |
Hardened
Steel |
12-24
diameter, 1-1/4", 1-1/2", 2" lengths |
Fasten metal
siding, electrical and metal components to heavy structural members. Drills, taps
and fastens in metal having a total thickness of 1/4" to 1/2" without
pre-drilling. Available in Hex Washer head style. |
| Thread
Cutting |
Aluminum, Brass, Silicon Bronze, Stainless Steel, Steel |
Diameters from 2
to 3/8", Lengths vary based on diameter and application. |
Thread Cutting screws come in various head styles including: Flat, Round, Oval,
Pan, Truss, Fillister, Trimmed Hex, Slotted Washer, Hex, Hex Washer, & Binding. Most are also available in
slotted and Phillips. |
| Thread
Rolling (Swageform) |
Steel |
2-56 x
1/4" to 3/8"-16 X 2-1/4" |
This screw is
primarily recommended for use in heavy gauge metals, steel, brass, zinc, aluminum
castings, and forging where the conventional type of tapping screw fails because of high
driving torque and low holding power. Available in Hex washer, Pan and flat head
styles. Slotted & Phillips. |
| Thumb -
Type P |
Cold-forged
Steel |
6-32 x
1/4" to 3/8"-16 x 3" |
Special points are
available upon request. |
| Thumb -
Type S |
Cold-forged
Steel |
6-32 x
1/4" to 3/8"-16 x 3" |
Special points are
available upon request. |
| Wing |
Steel |
6-32 to
3/8" diameters, lengths determined by application |
"Patented
Thumb Screw." Two piece welded construction. |
| Wood |
Steel,
Brass, Stainless Steel, Aluminum, Silicon Bronze |
0 x
3/16" to 30 x 6" |
Wood
screws come in various head styles including: Flat, Round, Oval. Most are also
available in slotted and Phillips. |
