New Arrivals/Restock

Driveway Bolt Expansion Screws for Speed Bump Installation Concrete Asphalt Ground Screw Anchors 3.7 Inch Expansion Fasteners for Road and Driveway Use

flash sale iconLimited Time Sale
Until the end
01
05
58

US$14.46 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used  US$9.64
quantity

Product details

Management number 250190236 Release Date 2026/09/17 List Price US$9.64 Model Number 250190236
Category
  • Core Performance: These driveway bolt expansion bolts are specifically engineered for secure fastening of speed bumps and driveway installations, providing reliable anchoring that enhances road safety and stability in various conditions
  • Material Durability: Crafted from iron with wear-resistant and deformation-resistant properties, these expansion fasteners maintain their integrity in humid, outdoor, and high-traffic areas, ensuring performance
  • Installation Convenience: Designed for practical and straightforward installation, these speed bump screws allow quick setup without requiring tools, suitable for both indoor and outdoor driveway or road applications
  • Secure Anchoring: These expansion bolts firmly fix speed bumps and driveway components to prevent displacement or theft, contributing to effective traffic control and safer parking environments
  • Versatile Application: Suitable for installation on asphalt, concrete, and various driveway surfaces, these ground screw anchors provide dependable fastening for speed bumps, parking blocks, and related road hardware components
ASIN B0BRNL4Q51
Brand CORHAD
Color Silver
Model 4109XB21OET
Set Name 10-Pack
Head Type Round
Size Name 8.7x2.1cm
Metal Type Alloy Steel, Iron
Unit Count 1 Count
Item Weight 392 g
Part Number 4109XB21OET
Thread Size 8.7mm
Thread Type Un[ef/C/F/S/Npsm]
Finish Types Unfinished
Manufacturer CORHAD
Thread Class 3B
Thread Style Right Hand
Fastener Size 8.7x2.1cm
Fastener Type Anchor Bolt
Item Diameter 2.1 centimeters
Item Hardness Grade 8
Material Type Alloy Steel, Iron
Exterior Finish Unfinished
Item Dimensions 3.74 x 0.79 x 0.79 inches
Number Of Items 1
Thread Coverage Fully Threaded
Number of Pieces 10
Outside Diameter 2.1 centimeters
Screw Head Style Hex
Manufacturer Grade Heavy-duty
Set Screw Thread Type Unified National Coarse (UNC)
Compatible Groove Diameter 8.7 centimeters

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review