Audited Supplier
UNT-06
Black
Folded
RoHS, CE, GS
S2, Cr-Mo, 50BV30, Stainless Steel
Customized
Metabo, DeWalt, Hitachi, MAKITA, BOSCH
DIN, ISO
Screw Fastening, Mechanic Fixing, Home DIY
Sea Freight, Air, Train, Express
Available
UN
Plastic Boxes with Cartons
1/4 inch drive
China
820412000
Product Description
| Tool Set Content | 3 Pcs 1/4 inch HSS Hex Drill Bits |
| 1 Pc Countersunk Drill Bit | |
| 2 Pcs S2 Double-Ended Bits with Magnetic Ring | |
| 2 Pcs 1/4 inch 50mm S2 Bits | |
| 6 Pcs 1/4 inch 25mm S2 Bits | |
| 2 Pcs Crown Saw | |
| 3 Pcs 1/4 inch Socket Adaptor | |
| 1 Pc SS Bit Extension Bar | |
| Inner | Slot |
| Surface Treatment | Mirror/Blackening/Chrome/Matt |
| Standard | DIN |
| Packaging | Plastic Boxes with Cartons |
| Brand | Union |
| Certification | ISO, BSCI |
| Origin | China |
PTA sets provide homeowners with a versatile collection of tools for basic home repair and improvement projects. These kits contain:
- Screwdriver bits (Phillips and flathead) in common sizes to handle different screw types.
- Drill bits in popular sizes to drill pilot holes or drive screws. The hex shanks fit any standard drill.
- Sockets (1/4" or 3/8" drive) to loosen and tighten bolts, nuts, and other hardware. Metric and standard sizes are included.
- Socket adapters to use 3/8" drive sockets on 1/4" drive tools.
- Nut driver sockets to drive hex nuts and bolts in wood, metal, and machinery.
- Bit holders to connect screwdriver bits to and use like manual screwdrivers.
Affordable and compact, PTA sets have professional-grade bits and sockets to tackle minor repairs and projects around the house and garage. The variety covers the most common home improvement tasks.
| Main Fastener Coating | |||
| Types | Application | Spray Test Hours | Characteristics |
| Mirror Nickel-plating | ALL Metal | 72Hours | Stable Excellent polishing performance Improve Wear resistance Wide range of applications |
| Matt Nickel-plating | ALL Metal | 72Hours | |
| Black Nickel-plating | ALL Metal | 48Hours | High absorption rate of solar energy Used in solar collector panels. |
| Manganese Phosphate | ALL Metal | 72Hours | Enhanced resistance |
| Sand Blast | ALL Metal | - | Remove paint, rust, and residue scratches or casting marks |
| Electrophoresis | ALL Metal | 1000Hours | Maintain metallic luster Anti-corrosion properties |
| Color Electroplating | ALL Metal | 96Hours | Improve mental strength Prevent metal oxidation |
| Steel Material Chemical Composition | ||||||||
| Types | C | Si | V | Cr | Mn | Ni | Mo | Characteristic |
| CR-MO | 0.18-0.23 | 0.15-0.35 | - | 0.40-0.60 | 0.90-1.20 | - | 0.13-0.20 | 41xx-series SAE steel grades Excellent strength-to-weight ratio Stronger and harder Not easily welded |
| CRV | 0.5 | 0.3 | 0.18 | 0.80-1.10 | 0.70-0.90 | - | - | 6000-series SAE steel grades Suitable for hardening Resist abrasion, oxidation, and corrosion Improve material elasticity |
| S2 | 0.40-0.55 | 0.90-1.20 | <0.50 | - | 0.30-0.50 | <0.30 | 0.30-0.60 | One of seven types of shock-resisting steels under the AISI Classification High strength High toughness Wear resistance High hardness Resistance to shock loading |
| 45# | 0.42-0.05 | 0.17-0.37 | - | ≤0.25 | 0.50-0.80 | ≤0.25 | - | Compared with A3, it has higher strength and resistance to deformation. |
| A3 | 0.95-1.05 | 0.10-0.50 | 0.15-0.50 | 4.75-5.50 | 0.40-1.00 | - | 0.90-1.40 | High-quality high carbon alloy tool steel |
