20pcs Red PCB Board Breadboard Double Sided 3x7 4x6 5x7 7x9cm Universal PCB Experiment Prototype Circuit Boards Diy Electroni
SPECIFICATIONS
Board Thickness: 1.5MM
Brand Name: Electronkit
Copper Thickness: standard
High-concerned chemical: none
Min. Hole Size: standard
Min. Line Spacing: standard
Origin: Mainland China
Specification:
Total 20pcs, each size 5pcs
Grid : 0.1" (2.54mm)
Thickness : 1.6mm
Hole diameter : about 1mm
The diameter of 4 large positioning holes: 4mm
Material : FR-4 (glass fiber)
All holes are plated through
Both sides are identical
Dimension Hole(column x row) Quantity
50 x 70mm, 1.97" x 2.76" 24 x 18 5
40 x 60mm, 1.57" x 2.36" 20 x 14 5
30 x 70mm, 1.18 x 2.76" 24 x 10 5
20 x 80mm, 0.79" x 3.15" 28 x 6 5
Number of the PCB holes :
2X8CM :6X28=168(holes)
3X7CM : 10X24=240(holes)
4X6CM : 20X14=280(holes)
5X7CM : 18X24=432(holes)
Package included:
20 x FR-4 double side prototype PCB printed circuit board


- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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