ThruLOK® comes in specific lengths that allow contractors to replace their 1/2" carriage and through-bolts in three primary deck applications:

5/16 x 12 High Speed Long Boy

Meets ASTM C1002 for attaching gypsum board to wood studs

7/16-20 x 6 Hex Cap Screw SS 18-8 (A2)

3/4-10 x 6 Grade 5 Hex Tap Bolt Zinc Plated

M20-2.50 x 150 Hex Cap Screw DIN 931 A2 (18-8) Stainless Steel SDS Plus Hammer Drill Bits ThruLOK® comes in specific lengthsM20 2. 50 x 150 Hex Cap Screw DIN 931 A2 (18 8) Stainless Steel DIN 931 A2 Hex Cap Screws are manufactured from A2 70 stainless steel per ISO 3506 part 1. These are partially threaded hex cap screws with all dimensions conforming to DIN 931. Designed for use in standard bolting applications where corrosion is of concern.