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5/16 x 8 In. PowerLag Washer Head T-40 HCR (Exterior Rated) Lag Screw Black

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Spax 4581820802037 5/16 x 8 In. PowerLag Washer Head T-40 HCR (Exterior Rated) Lag Screw Black

Item #: 4581820802037 by SPAX

UPC #: 00712216026322

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Features
  • Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque
  • The ideal replacement for the conventional lag IRC/IBC Code Compliant: TER-No. 1912-07
  • True to size thread diameters, grade 5 heat treat, and washer head style are just some of this fasteners distinct advantages
  • T-Star 6 lobe design is compatible with all industry standard bits
  • Engineered and Manufactured in the USA
  • The HCR (High Corrosion Resistant) double barrier coating is tested and recognized for use in ground contact and pressure treated lumber
  • Common applications: Landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections

Finish

HCR (High Corrosion Resistant)

Material

Steel

Length

8 in.

Head Type

Washer Head

Color

Black

Thread Diameter

5/16 In.

Height

0.31

Width

8.00

Drive Style

Torx

Fastener/Connector Material

Steel

Finish Family

Black

Measurement Standard

SAE

Screw length (in.)

8

Screw Head Style

Washer Head

Hazardous Material

No

Interior or Exterior

Interior/Exterior

Materials Fastened

Wood to Wood

Fastener Thread Style

Coarse

Fastener Plating

HCR (Exterior Rated)

Screw Product Type

5/16

Fastener Type

Structural

Series

PowerLag

Country Origin Code

US

Product Overview
SPAX T-STAR Washer Head PowerLags with HCR coating designed with low-profile, large diameter head design provides outstanding clamping force and improved aesthetics. The T-STAR drive offers excellent bit engagement without requiring a special driver bit. Available in 1/4, 5/16, and 3/8 diameters. SPAX HCR Coating is approved for use in treated lumber.