KregSML-C150B-100 Blue-Kote WR Pocket Screws - 1-1/2-Inch, 100 pack

Q: Will this be ok for trex/composite?

Yes, this will work with those materials.

Q: what size do I need to screw 2by4?

When working with a 2X4 that is 1 1/2" thick you will want to use the 2 1/2" length screws.

Q: Will these work to edge join 5/4 deck boards and can i use the foreman to drill the holes or do i need the HD jig?

For 1" thick lumber, you will want to use the 1-1/2". The Foreman does not have a setting for 1". You could use the 3/4" setting and the 1-1/4" screw and you will still get a good strong joint.

Q: the picture says 1 1/4, are these 1 1/2 or 1 1/4?

Mine say 1 1/4 inch and that's what they measure. The page you are looking at shows where you can order 1 1/4 or 1 1/2 inch sizes, but in my experience the size on the box is the length of the screw.

Product ID: 59315541

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Details

Material
Zinc steel
Head style
Square
Item dimensions L x W x H
5.1 x 7.6 x
Exterior finish
Alloy Steel
Thread size
1/2

🔩1.5-inch precision length

⚙️Self-tapping drill tip

🛡️Blue-Kote corrosion defense

Frequently Bought Together

Description

🔧 Screw it right, screw it tight — the pro’s choice for lasting strength!

UNMATCHED DRIVER GRIP - Deep square drive ensures zero cam-out for flawless fastening every time.
EFFORTLESS INSTALLATION - Self-tapping tip drills its own hole, speeding up your workflow with precision.
DURABILITY YOU CAN TRUST - Case-hardened steel construction means no bending, no breaking—just pure reliability.
BUILT TO BRAVE THE ELEMENTS - Blue-Kote finish delivers heavy-duty corrosion resistance, perfect for long-lasting projects.
MAXIMUM HOLD MINIMAL EFFORT - Large maxi-loc head provides incredible holding strength for professional-grade stability.

The Kreg SML-C150B-100 Blue-Kote WR Pocket Screws are 1-1/2-inch heavy-duty fasteners designed with a deep square drive for optimal driver engagement, a corrosion-resistant Blue-Kote finish, and a self-tapping tip that drills as it drives. Crafted from case-hardened steel with a large maxi-loc head, these screws deliver superior hold strength and durability, making them ideal for professional woodworking and construction projects.

Specifications

Manufacturer	Kreg
Part number	SML-C150B-100
Item Weight	277 g
Product Dimensions	5.08 x 7.62 x 12.7 cm; 276.69 g
Item model number	SML-C150B-100
Colour	Blue
Style	Pocket
Material	Zinc, steel
Item Package Quantity	1
Number of Pieces	100
Head Style	Square
Measurement System	Imperial
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Will this be ok for trex/composite?

what size do I need to screw 2by4?

Will these work to edge join 5/4 deck boards and can i use the foreman to drill the holes or do i need the HD jig?

the picture says 1 1/4, are these 1 1/2 or 1 1/4?

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