We are your high quality source for:
Flange Bolts
Hex Cap Screws
Plastic Thread Forming Screws
SEMS Screws
Carriage Bolts
Wheel Bolts
Rivets & Pins
Self Drilling Screws
Construction Standards & Specials
Thread Cutting Screws
Tri-Rounds
Sheet Metal Screws
Shoulder Bolts
Weld Studs
12 Points & External 6 Lobes
Single & Multi Die Specials
See our Drill Screw Selection guide below for our complete line of ProCorr Coated Construction Self-Drilling Screws, in stock for immediate shipment.
Drill Screw Selection Guide PDF - Company Brochure - GR-5 Structural Drill Screws PDF
Self Drilling Screws
(Includes #5 point)
#6 to 3"
#8 to 4"
#10 to 5"
#12 to 5"
1/4" to 6"
5/16” to 6”
Nominal Sizes &
Maximum Length
M3 - #4 to 3/4"
#6 to 3"
M4 - #8 to 4"
#10 to 5"
M5 - #12 to 5"
M6 - 1/4" to 6"
M8 - 5/16" to 6"
M10 - 3/8" to 6"
7/16" to 6"
M12 - 1/2" to 6"
M14 - 9/16" to 6"
M16 - 5/8" to 6"
Flange Bolts
Self-Drilling Screws – Construction Standards & Specials
SEMS Screws
Tapping Screws
Thread-Cutting Screws
Trimmed Head Bolts
Knurled Bolts
Carriage Bolts
Weld Studs
12 Points/External 6-Lobes
Rivets and Pins
Double-Ended Studs
Head Styles
Pan
Truss
Hex Flange
Flat
Round
Oval
Binder
Round Washer
Trimmed Hex
Indented Hex
Button
Fillister
Hex Washer
Cheese
12 Point
Specials
External 6-Lobe
Drive Styles
Phillips
Slotted
Combination
Square
Hex
One-way Slot
6-Lobe
Tamperproof 6-Lobe
Thread Styles
Machine Screw
Tri-Rounds
Type "A"
Type "B"
Type "AB"
Type "CA"
Type "1"
Type "23"
Type "25"
Type "F"
Type "U"
Type "SW"
Dual Spaced Threads
Multi-Die Shoulder Bolts
Cold-Headed Specials
Cold-Headed Specials
Stainless Steel Fasteners
Stainless Steel Self-Drilling Screws
Lengths up to 6 inches
Large and Small Diameters
#5 Point Self-Drilling Screws
Secondary Capabilities
Saw Slotting #4 to 5/16" Diameters
Shank Slotting #4 to 7/16" Diameters
Trimming #8 To 1/2" Diameters
Sems Assembly #6 to 1/2" Diameters
Pointing & Pinch Pointing #6 to 5/16” Diameters
Shaving, Grinding, Drilling and Tapping Available
Material Included
Grades 2, 5, 5.1, 8, 4.8, 8.8, 9.8, 10.9
Stainless, Brass
Other Services
Stock and Release
Bar Coding
Expedited Delivery