# Automotive Tools — B2B Industrial Specification Monograph | Newtech Sources Co., Ltd.

> Heavy-duty hydraulic lifting equipment, chrome-vanadium socket systems, and professional automotive maintenance tools for commercial workshops.

## 1. Category Procurement & Engineering Summary
- **Manufacturer**: Newtech Sources Co., Ltd. (Founded 1998, Guangzhou, China · Tax ID / USCC: 914401067124673119)
- **Canonical Category Hub**: https://newtech-sources.com/products/category/automotive-tools
- **Active Series in Category**: 2 published industrial product series
- **Engineering Tolerance Benchmark**: Forged and heat-treated to DIN 3124 / ISO 2725 Cr-V drive torque and Rockwell hardness tolerances
- **OEM / ODM Policy**: Process-by-requirement custom dimensions, alloy/bond formulation, laser marking, and private-label packaging
- **Quality Verification**: 100% Pre-Shipment Dimensional & Visual Inspection prior to dispatch
- **Port of Loading**: Flexible FOB & mixed-container consolidation from any port in China
- **Direct RFQ Endpoint**: https://newtech-sources.com/contact | Email: sales@newtech-sources.com
- **Parent Summary Index**: https://newtech-sources.com/llms.txt

## 2. Quick Comparison Matrix

| Model / SKU | Product Series | Dimensional / Key Summary | MOQ | Canonical URL |
| --- | --- | --- | --- | --- |
| NT-AUT-101 | 3-Ton Low-Profile Dual-Pump Heavy-Duty Hydraulic Floor Jack | 3.0 Ton (6,600 lbs) to 4.0 Ton (8,800 lbs) (3.0 Ton (6,600 lbs), 4.0 Ton (8,800 lbs)) | 30 Sets | https://newtech-sources.com/products/3-ton-low-profile-dual-pump-hydraulic-floor-jack |
| NT-AUT-102 | 108-Piece Chrome-Vanadium (Cr-V) Mechanic Socket & Ratchet Wrench Set (Metric & SAE) | 108-Pc Metric Set (4–32mm) to 108-Pc Dual Metric + SAE (5/32"–1-1/4") (108-Pc Metric Set (4–32mm), 108-Pc Dual Metric + SAE (5/32"–1-1/4")) | 100 Sets | https://newtech-sources.com/products/108-piece-chrome-vanadium-mechanic-socket-wrench-set |

## 3. Detailed Technical Specifications (2 Series)

### 3.1 3-Ton Low-Profile Dual-Pump Heavy-Duty Hydraulic Floor Jack (NT-AUT-101)
- **Canonical URL**: https://newtech-sources.com/products/3-ton-low-profile-dual-pump-hydraulic-floor-jack
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/3-ton-low-profile-dual-pump-hydraulic-floor-jack.txt
- **Model / SKU**: NT-AUT-101
- **Discipline**: Automotive Tools
- **Minimum Order Quantity (MOQ)**: 30 Sets
- **Direct RFQ**: https://newtech-sources.com/contact?product=3-Ton%20Low-Profile%20Dual-Pump%20Heavy-Duty%20Hydraulic%20Floor%20Jack%20(NT-AUT-101)

**Overview**: Engineered for professional automotive repair centers and tire service fleets across North America and Europe, the NT-AUT-101 3-Ton Low-Profile Hydraulic Floor Jack reaches lifting points in just 5 pump strokes. Every unit undergoes 100% dynamic load and hydraulic pressure holding inspection before export.

**Engineering Highlights**:
- Dual-piston hydraulic pump raises the saddle to load contact 5x faster than single-pump jacks
- Ultra-low 75mm (2.95") minimum saddle height fits sports cars and lowered commercial vehicles
- Built-in safety overload valve and polyurethane-coated silent swivel casters
- Two-piece knurled steel handle with foam bumper pad prevents vehicle panel scratches

**Target Materials & Applications**: Professional automotive service bays, tire shops, and dealership maintenance centers, Light commercial fleet maintenance and roadside service vehicles, Industrial equipment leveling and machinery rigging support

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| Dual-Pump Steel | 3.0 Ton (6,600 lbs) | NT-AUT-101-3T | 75–505mm (2.95"–19.88") Lift |
| Dual-Pump Steel | 4.0 Ton (8,800 lbs) | NT-AUT-101-4T | 95–550mm (3.74"–21.65") Lift |

| Parameter | Specification |
| --- | --- |
| Hydraulic System | Dual-Piston Rapid Lift with Overload & Bypass Safety Valves |
| Chassis Dimensions | 685mm x 345mm (27.0" x 13.6") Heavy-Gauge Rolled Steel |
| Rated Lifting Capacity | 3,000 kg (3.0 Metric Tons / 6,600 lbs) |
| Minimum Saddle Height (Metric / Imperial) | 75mm (2.95") Low-Profile Clearance |
| Maximum Lifting Height (Metric / Imperial) | 505mm (19.88") |

### 3.2 108-Piece Chrome-Vanadium (Cr-V) Mechanic Socket & Ratchet Wrench Set (Metric & SAE) (NT-AUT-102)
- **Canonical URL**: https://newtech-sources.com/products/108-piece-chrome-vanadium-mechanic-socket-wrench-set
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/108-piece-chrome-vanadium-mechanic-socket-wrench-set.txt
- **Model / SKU**: NT-AUT-102
- **Discipline**: Automotive Tools
- **Minimum Order Quantity (MOQ)**: 100 Sets
- **Direct RFQ**: https://newtech-sources.com/contact?product=108-Piece%20Chrome-Vanadium%20(Cr-V)%20Mechanic%20Socket%20%26%20Ratchet%20Wrench%20Set%20(Metric%20%26%20SAE)%20(NT-AUT-102)

**Overview**: Designed for automotive technicians and industrial maintenance crews, the NT-AUT-102 108-Piece Socket Set provides complete Metric (4mm–32mm) and Imperial SAE (5/32"–1-1/4") coverage. Heat-treated to 45–48 HRC with satin chrome corrosion protection.

**Engineering Highlights**:
- Flank-drive 6-point socket profile grips fastener flats instead of corners to prevent rounding
- Fine 72-tooth ratchet head requires only a 5-degree swing arc in tight engine compartments
- Laser-etched high-visibility size markings in both Metric (mm) and Imperial (inch)
- Heavy-duty HDPE blow-molded case with metal clasps and custom OEM color inserts

**Target Materials & Applications**: Automotive engine, transmission, suspension, and brake system repair, Heavy equipment maintenance, agricultural machinery service, and plant engineering, Hardware retail and industrial MRO catalog distribution

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 50BV30 Cr-V Steel | 108-Pc Metric Set (4–32mm) | NT-AUT-102-M | 1/4" & 1/2" Drive |
| 50BV30 Cr-V Steel | 108-Pc Dual Metric + SAE (5/32"–1-1/4") | NT-AUT-102-SAE | 1/4" & 1/2" Drive |

| Parameter | Specification |
| --- | --- |
| Drive Sizes | 1/4" Square Drive (6.35mm) & 1/2" Square Drive (12.7mm) |
| Alloy Material | Drop-Forged 50BV30 Chrome-Vanadium Steel (Cr-V), Satin Chrome Plated |
| Ratchet Mechanism | 72-Tooth Reversible Gear (5-Degree Swing Arc) with Quick Release |
| Socket Coverage (Metric & Imperial) | Metric 4mm–32mm / Imperial SAE 5/32"–1-1/4" (Standard & Deep) |