GRK Fasteners Caliburn XL Concrete Screws

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Features

Agressive thread design for fierce holding power

Zero-stripping recessed T-40 star drive with 6 points of contact

Pre-drilling with a 1/4-inch concrete drill bit (included) required

Blitz bit included

Climatek™ coating approved for use in treated lumber

Description

Caliburn XL Concrete Screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in concrete and similar applications. The washer head design offers superior holding power, and the Climatek™ coating offers high corrosion resistance. Caliburn’s uncompromised draw and pull-out strength make it possible to be used in jobs which previously required an anchor. The aggressive thread design afford it the ability to be removed and reinserted into the same pilot hole numerous times without the concern of the fastener breaking or the threads wearing. Caliburn XL screws are ideal for use in anchoring to concrete or wood to concrete applications including basement framing and sheds.

Specifications

Manufacturer GRK Fasteners
Brand GRK Fasteners
Application Concrete and Masonry
Drive Type T-40 Star
Head Type XL Washer Head
Screw Size (Inches) 19/64
Head Diameter (Inches) 0.630
Shank Diameter (Inches) 0.224
Color Gold
Material Type Climatek-Coated, Case-Hardened Steel
Included Accessories 1/4" Blitz Bit, #40 Starhead Bit
Code Approval AC257 Treated Lumber Approved
Returnable Yes

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