US PRO 3637 10pc 1/2" Drive Impact Hex Bit Socket Set (78mm)

The US PRO 3637 10 Piece 1/2" Drive Impact Hex Bit Socket Set is designed for demanding fastening tasks where strength and reliability are essential. Ideal for automotive, machinery, and general workshop use, this set delivers dependable performance with impact tools and high-torque hand applications.

Each socket is manufactured from chrome molybdenum (CR-MO) steel, chosen for its superior toughness and resistance to shock loads generated by impact wrenches. The hex (Allen) bit profile provides positive fastener engagement, helping to reduce cam-out and fastener damage during high-torque work.

With a 78mm overall length, these sockets offer a practical balance between reach and control, making them suitable for both standard and slightly recessed fasteners. A durable phosphate finish enhances corrosion resistance, extending service life in harsh workshop environments. Supplied in a dedicated storage case, the set remains protected and easy to transport.

Covering commonly used hex sizes from H5 to H19, the US PRO 3637 is a solid choice for professional mechanics and serious DIY users alike.

Key Features & Benefits

• 10-piece impact hex bit socket set

• 1/2" square drive for high-torque applications

• CR-MO steel construction for impact durability

• 78mm socket length for improved access

• Hex (Allen) bit profile for secure fastener engagement

• Phosphate finish for corrosion protection

• Supplied in a storage case

• Designed for impact tool use

Sizes Included

H5, H6, H7, H8, H10, H12, H14, H16, H17, H19

Specifications

• Brand: US PRO

• SKU: 3637

• Set Size: 10 pieces

• Drive Size: 1/2"

• Bit Type: Hex (Allen)

• Material: Chrome Molybdenum (CR-MO) steel

• Finish: Phosphate

• Length: 78mm

• Storage: Supplied in storage case

• Application: Automotive, industrial, workshop, impact use