Quick Select: Double-Ended Thread Screw｜Material: Iron｜Metric & Imperial｜Yellow Zinc / Zinc / Black
Imperial Series (Ascending: Diameter → Length)
| No. | Imperial Size | Material | Finish Colors |
|---|---|---|---|
| 001 | 5/32 × 1/2" | Iron | Yellow Zinc / Zinc / Black |
| 002 | 5/32 × 5/8" | Iron | Yellow Zinc / Zinc / Black |
| 003 | 5/32 × 3/4" | Iron | Yellow Zinc / Zinc / Black |
| 004 | 5/32 × 7/8" | Iron | Yellow Zinc / Zinc / Black |
| 005 | 5/32 × 1" | Iron | Yellow Zinc / Zinc / Black |
| 006 | 5/32 × 1-1/8" | Iron | Yellow Zinc / Zinc / Black |
| 007 | 5/32 × 1-1/4" | Iron | Yellow Zinc / Zinc / Black |
| 008 | 1/4 × 2-1/2" | Iron | Yellow Zinc / Zinc / Black |
| 009 | 1/4 × 3-1/2" | Iron | Yellow Zinc / Zinc / Black |
| 010 | 5/16 × 2" | Iron | Yellow Zinc / Zinc / Black |
| 011 | 5/16 × 2-1/2" | Iron | Yellow Zinc / Zinc / Black |
| 012 | 5/16 × 3-1/2" | Iron | Yellow Zinc / Zinc / Black |
| 013 | 3/8 × 3-1/2" | Iron | Yellow Zinc / Zinc / Black |
| 014 | 3/8 × 4" | Iron | Yellow Zinc / Zinc / Black |
| 015 | 3/8 × 5" | Iron | Yellow Zinc / Zinc / Black |
Metric Series (Ascending)
| No. | Metric Size | Material | Finish Colors |
|---|---|---|---|
| 016 | M8 × 40 | Iron | Yellow Zinc / Zinc / Black |
| 017 | M8 × 45 | Iron | Yellow Zinc / Zinc / Black |
| 018 | M8 × 50 | Iron | Yellow Zinc / Zinc / Black |
| 019 | M8 × 60 | Iron | Yellow Zinc / Zinc / Black |
Product Description｜Size Selection & Installation
Dual-connection fastener: pointed wood thread for quick insertion into wood/plastic; machine thread for nuts or metal parts. Material: Iron. Finish options: Yellow Zinc / Zinc / Black.
- How to choose sizes: Define host material & thickness → decide length; match diameter to mating hole and load. For conversion or identification, click Inch ↔ mm (EN).
- Installation: Pilot-drill in wood (slightly smaller than thread OD), keep perpendicular; drive the pointed end to seat without over-torque; engage the machine-thread side with metal/nut and tighten using a wrench/socket. For mass production, use torque control.
- Applications: Furniture frames/legs/cabinets, displays & shelving, modular jigs, mixed wood–metal assemblies.
SEO Title: Double-Ended Thread Screw｜Iron｜Yellow Zinc / Zinc / Black｜Metric & Imperial
SEO Description: Dual-thread fastener with pointed wood thread and machine thread for metal parts. Iron construction with Yellow Zinc, Zinc, or Black finish. Available in metric and imperial sizes for furniture, interior, and industrial assemblies.
SEO Keywords: double-ended screw, dual thread, pointed screw, yellow zinc, zinc, black, metric, imperial, furniture hardware
Information is provided to support accurate selection. Actual appearance and finish color (Yellow Zinc / Zinc / Black) may vary slightly due to production batches, lighting, or monitors. Minor dimensional variations within standard tolerances are acceptable. Please confirm size, tolerance, and corrosion requirements prior to ordering. Use and install according to recommended methods; damage from improper use, modification, or corrosive environments is not covered by warranty. We reserve the right to optimize materials, structure, dimensions, or packaging without prior notice for quality improvement and supply stability. Final shipment specifications shall prevail. For technical consultation, please contact our support team.
