Skip to main content
Administration
Delivering to
90001
|
Change
El Cajon
San Diego
Buena Park
Corona
Menu
Search
Personal menu
Search
Close
Search
My account
My account
Close
Register
Log in
Wishlist
(0)
Register
Log in
Shopping cart
Close
0
$0.00
You have no items in your shopping cart.
All Categories
Menu
Close
Products
Lumber
Lumber and Plywood
Adhesives, Caulking, and Sealants
Backer Rod
Caulk and Sealant
Adhesives
Anchoring and Fasteners
Adhesive Anchoring
Bolts
Framing Connectors and Holdowns
Mechanical Anchors
Nails, Rivets, and Staples
Nuts
Powder Actuated Fastening
Screws
View All
ADA Tiles
ADA Warning Tiles and Accessories
Building Materials
Access Doors
Brick, Block and Masonry Supplies
Fencing and Accessories
Firestop Materials
Insulation
Pipe, Plumbing and Drainage
Roofing Materials
Cleaning Tools and Supplies
Brushes, Brooms, Mops and Accessories
Cleaning Chemicals
Cleaning Supplies
Trash Receptacles
Concrete and Chemicals
Cement, Concrete, Grout, Mortar and Bagged Aggregates
Concrete and Masonry Cleaning
Concrete Primers, Releases and Bond Breakers
Concrete Repair and Restoration
Concrete Treatments, Cures Hardeners and Finishing
Concrete Forming and Accessories
Coil Rod, Fittings and Ties
Concrete Forming
Curing Blankets
Steel and Wood Stakes
Tilt Up and Precast Parts and Accessories
Waterstop and Waterstop Accessories
Concrete Reinforcing
Rebar and Wire Mesh Support
Dowels and Baskets
Electrical and Lighting
Conduit Benders, Cutters and Accessories
Conduit, Cable and Wiring Devices
Electrical Testing and Measuring Tools
Extension Cords and Adapters
Fish Tapes and Wire Pulling
Lighting
Erosion Control and Geosynthetics
Erosion Control Blankets and Fasteners
Geotextiles
Sand and Gravel Bags
Stormwater Management
Wattles, Logs, and Composite Socks
Silt Fence and Stakes
Hand Tools
Abrasives, Hand Files and Planers
Bolt Cutters, Utility Knives and Multi Tools
Caulk and Grease Guns
Chisels
Clamps, Vises and Magnets
Concrete and Masonry Trowels
Concrete Edging, Groovers and Jointers
Concrete Finishing Brooms and Brushes
View All
Jobsite Supplies and Security
Job Site Communication
Job Site Safety
Lubricants, Oils and Greases
Paint
Paint Brushes, Rollers and Trays
Paint Strippers and Solvents and Removers
Surface Protection and Dust Containment
Tapes and Glues
View All
Ladders and Scaffolding
Ladders, Ladder Parts and Accessories
Scaffolding and Accessories
Material Handling and Storage
Cable Ties, Rope and Twine
Gas Cans and Accessories
Lifting and Rigging
Office Supplies and Equipment
Steel Banding and Load Security
Tool Storage
Wheelbarrows, Tilt Trucks and Utility Carts
Drum Handling
View All
Measuring, Marking and Surveying
Lasers and Surveying
Marking Tools, Paint and Markers
Squares, Levels and Measuring Tape
Power Tool and Equipment Accessories
Abrasive Belts, Burs, Wheels and Blades
Batteries, Chargers and Accessories
Diamond Saw Blades
Bit Tips and Drivers
Concrete and Masonry Drill Bits
Metal and Wood Drill Bits
Power Saw Blades and Accessories
Dust Collection
Power Tools and Equipment
Air Compressors and Accessories
Air Scrubbers and Negative Air Machines
Compactors and Rammers
Concrete and Masonry Saws
Concrete Finishing Equipment
Concrete Mixers, Hoppers, and Chutes
Concrete Testing and Inspection
Concrete Vibrators and Accessories
View All
Safety and PPE
Ergonomic Supports
Eye Protection
Fall Protection
Fire Prevention
First Aid
Footwear and Foot Protection
Gas Detection and Confined Space Equipment
Gloves
View All
Waterproofing
Building Paper, Flashing and House Wrap
Waterproof Coatings and Membranes
Home
About Us
Back
Core Values
Locations
Contact Us
Careers
Credit Application
Follow Us
Brands
All Categories
Back
Products
Back
Lumber
Back
Lumber and Plywood
Back
Backer Board
Framing Lumber
Plywood and Siding
Shims and Furring Strips
Adhesives, Caulking, and Sealants
Back
Backer Rod
Back
Backer Rods
Caulk and Sealant
Back
Caulk
Joint and Crack Filler
Sealant
Sealant Color Packs
Adhesives
Back
Construction Adhesives
Anchoring and Fasteners
Back
Adhesive Anchoring
Back
Adhesive Anchor Dispensing Guns
Adhesive Anchoring Brushes and Nozzles
Anchoring Epoxies
Bolts
Back
Eye Bolts
Machine and Carriage Bolts
Framing Connectors and Holdowns
Back
Framing Angles and Clips
Framing Caps and Bases
Hurricane Ties and Holdowns
Joist Hangers and Straps
Mechanical Anchors
Back
Anchor Bolts
Drive Anchors
Drop-In Anchor Setting Tools
Drop-In Anchors
Hollow Wall Anchors
Rod Hangers
Screw Anchors
Sleeve Anchors
View All
Nails, Rivets, and Staples
Back
Brad Nails
Collated Nails
Concrete and Masonry Nails
Duplex Nails
Finishing Nails
Framing Nails
Rivets
Roofing Nails
View All
Nuts
Back
Coupling Nuts
Hex Nuts
Powder Actuated Fastening
Back
Powder Actuated Loads
Powder Actuated Pins
Screws
Back
Deck Screws
Drywall Screws
Lag Screws
Lath Screws
Machine Screws
Self-Drilling Screws
Wood Screws
View All
ADA Tiles
Back
ADA Warning Tiles and Accessories
Back
Cast-In-Place Detectable Tiles
Surface-Applied Detectable Tiles
Building Materials
Back
Access Doors
Back
Area Wells and Accessories
Fire Rated Access Doors
Non-Fire Rated Access Doors
Brick, Block and Masonry Supplies
Back
Brick and Concrete Block
Concrete Pavers
Masonry Supplies
Fencing and Accessories
Back
Fence Posts
Firestop Materials
Back
Fire Protection Caulk and Silicones
Fire Protection Mortar and Putty
Fire Protection Pillows, Sheets and Wool
Fire Protection Strips and Collars
Insulation
Back
Insulating Foam and Applicators
Insulation Sheets
Pipe, Plumbing and Drainage
Back
Channel Drain Fittings
Channel Drain Grates
Channel Drains
HDPE Corrugated Pipe and Fittings
Pipe and Fittings - Non-PVC
PVC Pipe and Fittings
Roofing Materials
Back
Roll Roofing and Felt
Cleaning Tools and Supplies
Back
Brushes, Brooms, Mops and Accessories
Back
Brooms and Accessories
Magnetic Sweepers and Retrievers
Mops and Accessories
Wire and Utility Brushes
Cleaning Chemicals
Back
General Purpose Cleaners
Cleaning Supplies
Back
Buckets
Paper Towels, Rags and Wipes
Spray Bottles and Accessories
Trash Receptacles
Back
Trash Bags
Trash Cans and Receptacles
Concrete and Chemicals
Back
Cement, Concrete, Grout, Mortar and Bagged Aggregates
Back
Anchoring Cement
Cement
Concrete Mix
Gravel
Grout
Mortar and Masonry Mixes
Sand
Concrete and Masonry Cleaning
Back
Concrete Cleaners and Degreasers
Concrete Dissolvers
Concrete Primers, Releases and Bond Breakers
Back
Bond Breakers
Form Oils and Releases
Surface Primers
Concrete Repair and Restoration
Back
Concrete Repair Epoxies
Penetrating Sealers
Self Leveling Underlayments
Concrete And Masonry Repair
Asphalt Repair
Concrete Treatments, Cures Hardeners and Finishing
Back
Admixtures
Concrete Stains and Dyes
Decorative Concrete Treatments
DOT Cures
Hardeners and Densifiers
Non-DOT Cures and Sealers
Retarders and Finishing Aids
Concrete Forming and Accessories
Back
Coil Rod, Fittings and Ties
Back
Coil Bolts
Coil Nuts
Coil Rod and Ties
Concrete Forming
Back
Cam Lock Ties
Chamfers and Reveals
Column Forms
Concrete Forming Plugs
Concrete Forming Shims
Concrete Forming Sleeves
Control Joints and Keyway
Expansion Board
View All
Curing Blankets
Back
Wet Cure Blankets
Steel and Wood Stakes
Back
Steel Stakes
Wood Stakes
Tilt Up and Precast Parts and Accessories
Back
Tilt Up Bracing and Lifting Hardware
Tilt Up Forming Nuts, Plates and Shims
Waterstop and Waterstop Accessories
Back
Waterstop Splicing Irons
Waterstops
Concrete Reinforcing
Back
Rebar and Wire Mesh Support
Back
Bolsters
Chair Supports
Dobies
Rebar - Fabricated
Rebar - Standard Lengths
Rebar Safety Caps
Rebar Spacer Wheels
Rebar Splicers and Couplers
View All
Dowels and Baskets
Back
Dowels, Caps and Baskets
Electrical and Lighting
Back
Conduit Benders, Cutters and Accessories
Back
Conduit Benders and Cutters
Conduit Cutter Accessories
Conduit, Cable and Wiring Devices
Back
Conduit and Conduit Fittings
Conduit Fasteners and Boxes
Electrical Plugs and Receptacles
Hanger Wire
Electrical Testing and Measuring Tools
Back
Inspection Cameras
Meters and Testers
Extension Cords and Adapters
Back
Cord Adapters
Extension Cords
Fish Tapes and Wire Pulling
Back
Cable Grips
Fish Tape
Power Fishing Systems
Pull Line
Lighting
Back
Flashlights
Light Bulbs
Light Strings and Trouble Lights
Portable Worklights
Erosion Control and Geosynthetics
Back
Erosion Control Blankets and Fasteners
Back
Erosion Control Blankets
Geotextiles
Back
Geogrids
Nonwoven Fabrics
Silt Fences and Stakes
Woven Fabrics
Sand and Gravel Bags
Back
Gravel Bags
Sand Bags
Stormwater Management
Back
Dewatering Bags
Dust Control and Soil Amendments
Washout Pans
Wattles, Logs, and Composite Socks
Back
Wattles
Silt Fence and Stakes
Back
Silt Fences
Hand Tools
Back
Abrasives, Hand Files and Planers
Back
Drywall Sanders and Rasps
Hand Files
Sand Paper, Sponges and Rubbing Bricks
Bolt Cutters, Utility Knives and Multi Tools
Back
Bolt Cutters
Knife Blades
Snips
Utility Knives
Caulk and Grease Guns
Back
Caulk Gun Accessories
Caulk Guns
Grease Guns
Chisels
Back
Cold Chisels
Masonry Chisels
Wood Chisels
Clamps, Vises and Magnets
Back
Clamps
Pipe Vises and Stands
Concrete and Masonry Trowels
Back
Brick Trowels
Cement Trowels
Finishing Trowels
Fresnos
General Purpose Concrete Trowels
Margin Trowels
Pool Trowels
Concrete Edging, Groovers and Jointers
Back
Chamfer Tools
Corner Tools
Curb Tools
Edgers
Groovers
Concrete Finishing Brooms and Brushes
Back
Acid and Masonry Brushes
Concrete Finishing Brooms
View All
Jobsite Supplies and Security
Back
Job Site Communication
Back
Job Site Radios
Radio Accessories
Job Site Safety
Back
Air Horns and Whistles
Hole Covers and Stair Nosing
Safety Signs
Safety Tags
Lubricants, Oils and Greases
Back
Lubricants and Fuel
Oil and Grease
Paint
Back
Paint - Non-aerosol
Spray Paint
Paint Brushes, Rollers and Trays
Back
Paint Brushes
Paint Grids
Roller Covers
Roller Frames
Roller Trays
Paint Strippers and Solvents and Removers
Back
Paint Stripper
Solvents and Removers
Surface Protection and Dust Containment
Back
Dust Barrier Kits
Floor Protection Paper and Masking
Tapes and Glues
Back
Duct Tape
Glues
Packing Tape
Painter and Masking Tape
Plumbing and Electrical Tape
Strapping Tape and Poly Tape
View All
Ladders and Scaffolding
Back
Ladders, Ladder Parts and Accessories
Back
Extension Ladders
Ladder Accessories
Manhole Ladders
Step Ladders
Straight Ladders
Scaffolding and Accessories
Back
Scaffolding
Scaffolding Accessories
Material Handling and Storage
Back
Cable Ties, Rope and Twine
Back
Cable Ties
Mason Line
Rope
Gas Cans and Accessories
Back
Gas Cans
Lifting and Rigging
Back
Cable and Chain
Chain Lift Assemblies
Forklift / Crane Buckets, Hoppers, and Accessories
Hoists, Cable and Chain Pullers
Jacks
Lifting Slings
Rigging Hardware
Office Supplies and Equipment
Back
Office Equipment
Steel Banding and Load Security
Back
Load Binders and Tie Down Straps
Shrink Wrap
Steel Banding
Tool Storage
Back
Tool Boxes and Tool Bags
Tool Cabinets and Chests
Truck Boxes and Racks
Wheelbarrows, Tilt Trucks and Utility Carts
Back
Pipe and Wire Carts
Tilt Trucks and Utility Carts
Wheelbarrows and Accessories
Drum Handling
Back
Drum Pallets
View All
Measuring, Marking and Surveying
Back
Lasers and Surveying
Back
Lasers
Surveying Accessories
Surveying Levels
Surveyor Flags and Tape
Marking Tools, Paint and Markers
Back
Chalk and Reels
Crayons, Markers and Pencils
Marking Paint
Squares, Levels and Measuring Tape
Back
Levels and Plumb Bobs
Measuring Tape
Rulers
Squares
Power Tool and Equipment Accessories
Back
Abrasive Belts, Burs, Wheels and Blades
Back
Abrasive Cups
Abrasive Cutting Wheels
Abrasive Flapper Wheels and Discs
Abrasive Grinding Wheels
Abrasive Wire Wheels and Brushes
Diamond Cup Wheels
Sanding Belts, Rolls and Screens
Batteries, Chargers and Accessories
Back
Cordless Tool Batteries
Cordless Tool Chargers
Diamond Saw Blades
Back
Crack Chasers and Tuck Point Blades
Diamond Cutting Blades
Diamond Early Entry Blades
Bit Tips and Drivers
Back
Bit Holders, Extensions and Socket Adaptors
Drilling and Driving Sets
Insert and Power Bits
Nutsetters
Router Bits
Concrete and Masonry Drill Bits
Back
Core Drill Bits
Hex Demolition Steel
SDS Max Demolition Steel
SDS Max Rotary Hammer Bits
SDS Plus Rotary Hammer Bits
Spline Shank Rotary Hammer Bits
Metal and Wood Drill Bits
Back
Glass and Tile Drill Bits
Metal Drill Bits
Step Bits
Straight Shank Rebar Cutters
Wood Auger Drill Bits
Wood Spade Drill Bits
Power Saw Blades and Accessories
Back
Band Saw Blades
Circular Saw Blades
Hole Saw Blades
Jig Saw Blades
Power Saw Accessories
Reciprocating Saw Blades
Dust Collection
Back
Dust Collection Attachments
Dust Shrouds
Power Tools and Equipment
Back
Air Compressors and Accessories
Back
Air Blow Guns and Inflators
Air Compressor Couplers
Air Compressor Hoses
Air Compressor Plugs
Air Compressors
Air Scrubbers and Negative Air Machines
Back
Air Scrubbers
Compactors and Rammers
Back
Compactors
Rammers
Concrete and Masonry Saws
Back
Brick Saws
Concrete Saws
Cut-Off Saws
Concrete Finishing Equipment
Back
Power Screeds and Accessories
Power Trowels and Trowel Blades
Tampers, Stamps and Skins
Concrete Mixers, Hoppers, and Chutes
Back
Cement Mixers
Concrete Chutes
Concrete Hoppers
Mixing Paddles
Concrete Testing and Inspection
Back
Concrete Test Equipment
Concrete Vibrators and Accessories
Back
Concrete Vibrators
Vibrator Flex Shafts
Vibrator Heads
View All
Safety and PPE
Back
Ergonomic Supports
Back
Back Supports
Knee Pads and Supports
Eye Protection
Back
Face Shields
Safety Glasses
Safety Goggles
Fall Protection
Back
Anchor Points and Connectors
Carabiners
Debris Netting
Fall Protection Kits
Guardrail Systems
Harnesses
Lifelines
Positioning Lanyards
View All
Fire Prevention
Back
Fire Extinguishers and Accessories
First Aid
Back
Eyewash Stations
First Aid Kits and Cabinets
Footwear and Foot Protection
Back
Disposable Boot and Shoe Covers
Rubber and PVC Boots
Gas Detection and Confined Space Equipment
Back
Gas Detectors and Accessories
Ventilation Blowers
Gloves
Back
Chemical-Resistant Gloves
Cold-Weather Gloves
Cut-Resistant Gloves
Dipped Gloves
Disposable Gloves
Knit Gloves
Leather Gloves
View All
Waterproofing
Back
Building Paper, Flashing and House Wrap
Back
Building Paper and House Wrap
Flashing
Termination Bars
Waterproof Coatings and Membranes
Back
Air and Vapor Barriers
Below Grade Waterproofing
Composite Drain Boards and Accessories
Liquid Applied Waterproof Membranes
Sheet Applied Waterproof Membranes
Under Slab Waterproofing Membranes
Underslab Vapor Barriers and Sealing Tape
Home
About Us
Back
Core Values
Locations
Contact Us
Careers
Credit Application
Follow Us
Brands
Home
/
Anchoring and Fasteners
/
Washers
Washers
Cut Washers
Fender Washers
Lock Washers
Square Washers
Filters
View as
Grid
List
Sort by
Position
Name: A - Z
Name: Z - A
Price: Low to High
Price: High to Low
Newest
Sku: A - Z
Sku: Z - A
Stock: Low to High
Stock: High to Low
Best Selling
Display
24
48
100
items per page
Add to wishlist
Simpson MSSC 4-1/4" Kneewall Connector for 6" Framing Member w/ Bearing Plate - 20/box
I100419
$122.56
Add to cart
Request for Quote
Previous
1
2
Refine
Load more results...
×
Price Range
Min:$0.00
Max:$79.00
Category
Square Washers
(25)
Manufacturer
Simpson Strong-Tie
(25)
Availability
Exclude Out of Stock
Popular tags
