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Impact Socket Manufacturer – CR-MO Heavy Duty Impact Sockets & Sets | KOLARWIN Tools
Impact Socket Specialist

Impact Socket & Socket Set ManufacturerCR-MO sockets, sets & accessories — 3/8" to 2-1/2" drive, factory direct

Complete impact socket product system: standard sockets, deep & extra deep sockets, bit sockets, specialty sockets, socket sets, and all accessories — engineered for distributors, wholesalers, and private label brands worldwide.

HRC 48-52
Hardness
CR-MO
Steel Grade
200K+
Pcs / Month
5 Sizes
Drive Range
Kolarwin Impact Socket Manufacturer – CR-MO Impact Sockets and Sets
Full Product System
6Categories
100+SKUs
OEMReady
Product Line by Drive Size

Impact Sockets — Organized by Drive Size

Our core product line covers 5 drive specifications from 3/8" light-duty to 2-1/2" extreme heavy-duty. Select a drive size to explore available products.

1/2" Best Seller
3/4" Heavy Duty
1" Industrial
1-1/2" & 2-1/2" Extreme
3/8" Light Duty
Most Popular 1/2 inch impact socket set

1/2" Drive Impact Sockets

The industry workhorse — 1/2" drive is the most widely used impact socket size for professional automotive repair shops, fleet maintenance and general mechanical work. Our highest SKU count and strongest B2B demand.

Metric SAE 6-Point 12-Point CR-MO Steel
Highest SKU variety
Short, deep & extra deep
Auto repair mainstream
Sets available: 10–20pc
Get 1/2" Pricing
Standard1/2 inch short impact socket

1/2" Impact Socket (Short)

Standard length for everyday impact tasks. CR-MO, black phosphate, Metric & SAE.

Deep1/2 inch deep impact socket CR-MO

1/2" Deep Impact Socket

Extended length for recessed or protruding fasteners in engine bays and tight spaces.

Extra Deep1/2 inch extra deep impact socket

1/2" Extra Deep Impact Socket

Maximum reach for long bolts and studs where standard deep sockets can't access.

Heavy Duty 3/4 inch heavy duty impact socket set

3/4" Drive Impact Sockets

Built for heavy-duty applications — truck repair, commercial fleet maintenance and heavy machinery service. Higher single-unit value with strong demand from professional buyers.

Metric SAE 6-Point CR-MO Steel
Truck & fleet maintenance
Higher unit price point
Professional-grade only
Short, deep & extra deep
Get 3/4" Pricing
Standard3/4 inch impact socket

3/4" Impact Socket

Heavy-duty standard length for truck and heavy vehicle service.

Deep3/4 inch deep impact socket

3/4" Deep Impact Socket

Extended reach for recessed heavy-duty fasteners in commercial vehicles.

Extra Deep3/4 inch extra deep impact socket

3/4" Extra Deep Impact Socket

Maximum depth for long studs on heavy machinery and construction equipment.

Industrial 1 inch industrial impact socket

1" Drive Impact Sockets

Industrial-grade sockets for construction equipment, mining machinery and large-scale engineering projects. The highest profit margin product line with premium pricing.

Metric SAE CR-MO Steel High Profit
Construction & mining
Highest margin product
Premium CR-MO alloy
Short, deep & extra deep
Get 1" Pricing
Standard1 inch impact socket

1" Impact Socket

Industrial standard for heavy construction and engineering applications.

Deep1 inch deep impact socket

1" Deep Impact Socket

Extended length for large machinery bolting with deep-set fasteners.

Extra Deep1 inch extra deep impact socket

1" Extra Deep Impact Socket

Maximum reach for structural bolting and crane assembly.

Extreme 1-1/2 and 2-1/2 inch extreme impact socket

1-1/2" & 2-1/2" Drive Impact Sockets

Extreme heavy-duty sockets for specialized applications — mining, energy, oil & gas, and large-scale engineering projects that require maximum torque transfer.

Metric CR-MO Steel Mining Energy
Mining & energy sector
Extreme torque capacity
Project-based ordering
Standard & deep profiles
Get Large Drive Pricing
1-1/2"1-1/2 inch impact socket

1-1/2" Impact Socket

Standard & deep profiles for heavy engineering and mining applications.

2" Deep2 inch deep impact socket

2" Deep Impact Socket

Extended reach for large industrial bolts in energy and infrastructure projects.

1" DR1 inch DR impact socket

1" DR Impact Socket

Maximum drive size for extreme engineering — oil rigs, wind turbines, heavy plant.

Light Duty 3/8 inch light duty impact socket set

3/8" Drive Impact Sockets

Compact impact sockets for light maintenance, DIY, and e-commerce channels. Ideal for starter sets, home garage kits, and retail shelf products.

Metric SAE 6-Point E-Commerce Ready
Home & DIY market
E-commerce packaging
Compact cordless tool use
Standard & deep available
Get 3/8" Pricing
Standard3/8 inch impact socket

3/8" Impact Socket

Compact standard length for light maintenance and cordless impact driver use.

Deep3/8 inch deep impact socket

3/8" Deep Impact Socket

Extended reach in 3/8" drive for spark plugs and recessed fasteners.

Set3/8 inch impact socket set 16pc

3/8" Impact Socket Set – 12pc

Complete 3/8" set in blow-mold case — ready for retail & e-commerce.

Need a custom size configuration? We can build any combination of drive sizes and socket types.

Request Full Product Catalog
Socket Sets — Best Sellers

Complete Socket Sets for Every Market

Pre-configured socket sets are our highest conversion products. Available in blow-mold cases, metal tins, and custom packaging — private label ready.

Best Seller1/2 inch impact socket set

1/2" Impact Socket Set

Our #1 selling set — available in 10pc, 13pc, 15pc and 20pc configurations. Metric & SAE, short or deep, with blow-mold or metal tin case.

10pc 13pc 15pc 20pc Metric SAE
E-Commerce3/8 inch impact socket set

3/8" Impact Socket Set

Compact sets ideal for cordless impact drivers and e-commerce retail. Popular 12pc and 15pc configurations.

12pc 15pc Compact Retail Ready
1/4 inch socket set

1/4" Socket Set

Precision small-size sets for electronic repair, instrument maintenance and fine mechanical work.

Fine Work Compact Metric
Heavy Duty3/4 inch impact socket set

3/4" Impact Socket Set

Professional heavy-duty sets for truck garages and fleet maintenance. Metal storage case included.

8pc 10pc Metal Case
Industrial1 inch impact socket set

1" Impact Socket Set

Industrial-grade set for construction, mining and large-scale engineering. High-value product.

6pc 8pc Premium
ComboMixed combo impact socket set

Mixed Combo Set

Multi-drive combination sets with sockets, extension bars, ratchet, adapters and bit sockets — the ultimate toolkit. Maximum order value per unit.

3/8" + 1/2" Extension Ratchet Bits

All sets available for private label — your logo, your packaging, your market.

Get Socket Set Pricing
Specialty & Bit Sockets

High-Value Specialty Socket Range

Purpose-built sockets for specific applications — higher margins, lower competition, strong demand from professional and industrial buyers.

Bit socket series Hex Torx Spline

Bit Socket Series

Impact-rated bit sockets including Hex, Torx and Spline profiles. High added value for professional tool kits and maintenance sets.

Hex Impact Bit Torx Bit Spline Bit 1/2" Drive 3/8" Drive
Axle nut socket 65mm 70mm 75mm

Axle Nut Socket

Heavy-duty axle nut sockets in 65mm, 70mm and 75mm for commercial trucks, buses and construction vehicles. Specialized high-demand product.

65mm 70mm 75mm Trucks Heavy Vehicles
Slotted and special impact socket

Slotted & Special Socket

Specialized structural sockets designed for unique fastener profiles found in industrial machinery, automotive suspension and precision equipment.

Special Profile Industrial Use Custom Available
Socket attachment set

Attachment Set

Organized sets of adapters, extensions, universal joints and removal tools in blow-mold or metal cases. Ideal for cross-selling and bundling.

Adapter Set Extension Set Removal Tools Combo Packs

Specialty sockets deliver higher margins. Ask for our full specialty product list.

Request Specialty Catalog
Socket Accessories & Handle Tools

Boost Average Order Value with Accessories

Essential accessories that complete every socket tool system. Adapters, extensions and handle tools drive higher order values and repeat purchases.

Impact universal joint

Universal Joint

Impact-rated universal joints for angular access in tight spaces. Multi-directional swivel for precise off-axis fastener work.

1/4" 3/8" 1/2" 3/4"
Impact socket adapter

Impact Adapter

Drive size converters for stepping between 1/4", 3/8", 1/2" and 3/4" tools. Impact-rated for safe power tool use.

1/4" → 3/8" 3/8" → 1/2" 1/2" → 3/4"
Impact extension bar

Extension Bar

Impact extension bars in multiple lengths for reaching deep-set fasteners. Available in every drive size.

3" 5" 10" 15"

Handle Tools — For Combo Set Sales

L-Type Wrench

L-shaped handle wrench for manual socket use without ratchet mechanism.

Sliding T-Bar

Adjustable T-handle sliding bar for torque control and two-handed operation.

Ratchet Handle

Quick-release ratchet wrench for fast and efficient socket operation.

Bundle sockets + accessories for higher order value. Ask for combo pricing.

Get Accessory Pricing
Performance

Built for Extreme Torque

Chrome Molybdenum Steel

CR-MO alloy delivers superior impact resistance and toughness under extreme torque loads.

High Torque Resistance

Engineered wall thickness absorbs shock without cracking or deforming during heavy use.

Black Phosphate Finish

Industrial coating prevents corrosion and provides superior grip compared to chrome plating.

Laser Marking

Permanent size markings resist wear and remain legible even after years of daily use.

Test the strength yourself — request free impact socket samples.

Request Free Samples
Material Science

CR-V & CR-MO Steel — The Right Material for Every Application

We use two industry-leading steel grades to match performance requirements across different tool applications.

CR-MO Steel

Impact Grade

Chrome Molybdenum — built for power tool applications

Composition
Chromium + Molybdenum alloy steel
Hardness
HRC 48 – 52
Best For
Impact wrenches, pneumatic tools, high-torque tasks
Surface
Black phosphate coating
Key Strength
Superior shock absorption, crack resistance under impact

CR-V Steel

Hand Tool Grade

Chrome Vanadium — the standard for hand-operated tools

Composition
Chromium + Vanadium alloy steel
Hardness
HRC 42 – 48
Best For
Hand ratchets, socket sets, wrenches, screwdrivers
Surface
Mirror chrome plating
Key Strength
Excellent fatigue resistance, corrosion resistance, durability
Both materials in stock
Material certification available
Rockwell hardness tested
Custom spec available

Not sure which material is right for your product line? Our engineers can advise.

Discuss Material Options
Technical Data

Impact Socket Specifications

Every impact socket is manufactured to strict international standards with verified material composition, controlled heat treatment and precision dimensional tolerance.

Need custom specifications for your market?

Discuss Custom Specs

Specification Sheet

Material
CR-MO (Chrome Molybdenum) / CR-V Steel
Hardness
HRC 48–52 (CR-MO) / HRC 42–48 (CR-V)
Surface Finish
Black Phosphate / Chrome Plating
Drive Sizes
3/8", 1/2", 3/4", 1", 1-1/2", 2-1/2"
Socket Types
Standard, Deep, Extra Deep, Bit, Axle Nut
Size Marking
Laser Engraved
Standard
DIN / ANSI Compliant
Applications

Built for the Toughest Jobs

Impact sockets for automotive repair
01

Automotive Repair

Lug nuts, suspension, brake calipers — 1/2" & 3/8" drive everyday impact tasks.

Impact sockets for truck and fleet
02

Truck & Fleet

3/4" drive heavy-duty sockets for commercial fleet maintenance and truck service.

Impact sockets for construction and mining
03

Construction & Mining

1" and 1-1/2" sockets for structural bolting, crane assembly and heavy equipment.

Impact sockets for energy and infrastructure
04

Energy & Infrastructure

2-1/2" extreme sockets for oil rigs, wind turbines and large-scale infrastructure.

Our impact sockets are trusted by professionals across 60+ countries.

Discuss Your Application
OEM Manufacturing

Custom Impact Socket Manufacturing

Build your own impact socket brand — we handle everything from forging to packaging with your logo and specifications. Full product line OEM support.

Custom sizes
Private label
Packaging design
Laser logo
Set configuration
Color box / blister

Ready to launch your own impact socket line?

Start OEM Project
Kolarwin impact socket factory OEM
Your Brand · Your Specification · Your Market
Production

Impact Socket Production Process

Step 01
Steel Forging
CR-MO steel billets hot-forged into socket blanks
Step 02
Heat Treatment
Controlled hardening to HRC 48-52 specification
Step 03
CNC Machining
Precision machined to exact dimensions
Step 04
Surface Finishing
Black phosphate coating + laser marking

Want to see our production facility first-hand? We welcome visits and virtual tours.

Request Factory Tour

Get Reliable Impact Socket Supply

Contact Kolarwin Tools for factory-direct pricing on impact sockets, socket sets, accessories and OEM solutions. Free samples available.

Request a Quote

Our team will respond within 24 hours with detailed pricing.

100% Free
24h Response
Free Samples
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Why Partner with Kolarwin Tools?

Factory-Direct Pricing Skip the middleman — access competitive wholesale prices and protect your margins
Private Label & OEM Ready Your brand, our expertise — full customization from logo to packaging
Fast Global Shipping Reliable delivery to 60+ countries with full export documentation support
Low MOQ, High Flexibility Start small, scale fast — flexible order quantities to fit your business
Dedicated B2B Support One-on-one account management from quote to delivery, every time

Get Your Free Quote in 24 Hours

Tell us your sourcing needs — we'll respond with a tailored quote, product specs, and the best pricing for your market. No commitment required.

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