Heavy Duty

Buildex heavy-duty self-drilling screws are engineered for demanding metal-to-metal and structural applications where strength, reliability, and performance are critical. Designed to drill and tap in a single operation, these fasteners eliminate the need for pre-drilling — reducing labor, speeding installation, and improving jobsite productivity.

Drill Point
Finish
Diameter
Length
Washer
Part Number Size Head Style Drill Point Finish Drill & Tap Capacity Max Material Attachments Box Qty
1007000 12-24 x 1-1/4" Hex Washer Head #5.0 Climaseal .125-.500 0.45 4,000
1075000 1/4-28 x 4'' Hex Washer Head #5 Climaseal .125-.500 3.15 500
1088000 12-24 x 7/8'' Hex Washer Head #4 Climaseal .125-.500 0.325 5,000
1124000 1/4-20 x 1-1/8'' Hex Washer Head #4 Climaseal ACR .210-.312 0.5 2,000
1125000 1/4-20 x 1-1/2'' Hex Washer Head #4 Climaseal ACR .210-.312 0.83 2,000
1414000 12-24 x 1-1/4'' Hex Washer Head #4.5 Climaseal .125-.250 0.575 4,000
1431000 1/4-28 x 6'' Hex Washer Head #5 Climaseal .125-.500 5.15 250
1590000 1/4-28 x 8'' Hex Washer Head #5 Climaseal .125-.500 7.15 150
1641000 1/4-28 x 5'' Hex Washer Head #5 Climaseal .125-.500 4.15 250
1607000 12-24 x 1-1/4'' Hex Washer Head #5.0 Climaseal .125- .500 0.33 2,500
1670000 12-24 x 1-1/2" Hex Washer Head #5.0 Climaseal .125-.500 0.580" 2,000
1770000 12-24 x 1-1/2" Hex Washer Head #5.0 Climaseal .125-.500 0.700" 2,500
1770054 12-24 x 1-1/2" Hex Washer Head #5.0 Climaseal .125-.500 0.700" 2,500
1771000 12-24 x 1-1/2" Hex Washer Head #5.0 Climaseal .125-.500 0.700" 2,500
1772000 12-24X2" Hex Washer Head #5.0 0.125-0.500 1.08 2,000