Product Description

Brief Overview

This 21mm short impact socket is engineered for the exact problem your customers face: working in spaces where standard sockets simply won't fit. At just 28mm in height with a 1/2-inch square drive, it combines accessibility with professional-grade durability. The chrome-molybdenum steel construction handles repeated impact loads without chipping or deformation. Built-in detent hole accommodates a retention pin for safe operation. If you stock impact sockets in extended size ranges, this compact profile becomes a natural complement to your existing inventory.

Key Features

• 6-point internal profile – Reduces fastener rounding; ideal for deteriorated or stubborn bolts
• Compact 28mm length – Fits spaces that standard-height sockets cannot access
• Cr-Mo steel construction – Absorbs impact shock without brittle failure
• Detent pin hole – Factory-designed safety feature prevents socket ejection during high-torque work
• Matte black impact coating – Protects against corrosion and improves grip

Technical Specifications

Specification	Value
Socket Size	21mm
Drive Size	1/2 inch
Height	28mm
Outer Diameter	30mm
Internal Profile	6-point hex
Material	Chrome-molybdenum steel
Detent Feature	Yes (pin hole)
Impact Rating	Yes

Business Advantages for Resellers

Margin on Specialty Tooling: Short sockets command a 25–40% higher margin than standard profiles because they address a specific pain point. Mechanics must own them—they cannot substitute a standard socket in tight quarters.

Bundle Opportunity: Package individual sizes with complementary short-socket configurations to increase basket value. A mechanic buying one size for a problem job will recognize the need for the full range.

Inventory Efficiency: A single 21mm socket occupies minimal shelf space but solves recurring access problems. Stock rotation is fast because demand is consistent—every shop encounters confined spaces.

Application Context

This socket targets professional technicians working on automotive suspension, engine bays, and transmission assemblies where standard sockets hit interference. The 6-point profile grips fasteners securely, reducing cam-out failures on corroded or stubborn bolts. Detent pin retention ensures the socket stays seated during rapid-fire impact use—critical for pneumatic tools where vibration and recoil are constant factors.

Procurement Notes

This product is available as an individual unit or as part of a full 15-piece set (A-SS151, sizes 10–24mm), offering distributors flexible stock options. The set approach simplifies ordering for customers who need comprehensive access coverage across multiple fastener sizes.

---

Why Stock This? Compact impact sockets are repeat-purchase items because they solve a real problem. Once a shop discovers the value, they upgrade from single units to full sets. Position this as your "access tool" differentiator in a crowded socket market.