KS TOOLS 3/8 inch Hexagonal Impact Socket, Long, 17mm (515.1617)

Engineered for high-torque applications, the KS TOOLS 515.1617 is a professional-grade 3/8" drive impact socket that combines exceptional strength with precision fit. Unlike standard sockets, this long-reach hexagonal socket is forged from chrome molybdenum steel (CrMo) and finished with a phosphate coating, making it ideal for use with impact wrenches and power tools where durability and safety are paramount.

Highlights

• Drive Size: 3/8" (9.53 mm) square drive with ball retention groove for secure attachment.
• Socket Size: 17 mm, 6-point hexagonal profile for maximum grip and reduced fastener rounding.
• Long Length: 63 mm overall length provides extended reach for recessed bolts and nuts.
• Material: Chrome molybdenum steel (CrMo) for high impact resistance and long service life.
• Finish: Phosphated / black oxide coating for corrosion resistance and easy identification.
• Standards: Conforms to DIN 3121 / ISO 1174 for dimensional accuracy and interchangeability.

In daily use

Whether you're working on automotive suspension components, engine mounts, or industrial machinery, this socket delivers reliable performance under demanding conditions. The long design allows access to deep-set fasteners, while the 6-point profile ensures a snug fit on both metric and worn hex heads. The ball retention groove keeps the socket firmly attached to the impact wrench during operation, reducing the risk of detachment. The black phosphate finish not only protects against rust but also provides a non-reflective surface, making it easy to locate in a crowded toolbox.

Full specifications

• Brand: KS TOOLS
• Model: 515.1617
• MPN: 515.1617
• EAN: 4042146034477
• Drive Size: 3/8" (9.53 mm)
• Socket Profile: 6-point (Hexagonal)
• Socket Size: 17 mm
• Socket Type: Impact Socket
• Length Type: Long
• Overall Length (L): 63 mm
• Material: Chrome Molybdenum Steel (CrMo)
• Finish: Phosphated / Black Oxide
• Drive Type: Internal Square
• Standard: DIN 3121 / ISO 1174
• Application: For machine operation (impact wrenches, power tools)
• Tool Holder: Square drive with ball retention groove
• Outer Diameter (D1): 25.5 mm (at working end)
• Outer Diameter (D2): 24 mm (at drive end)
• Color: Black
• Marking: Laser-etched size and brand
• Corrosion Resistance: Yes
• Impact Resistance: High

Final note

Backed by KS TOOLS' reputation for quality, this impact socket is a dependable addition to any professional mechanic's toolkit. Its robust construction and precise engineering ensure it withstands the rigors of daily use, providing years of reliable service.