Spring Thread Bar Bolt:
Spring thread bar bolt made by full thread bar with high tensile strength. one end is welded a spring to mix resin.
Advantages of Spring thread bar bolt:
1. With high tensile strength.
2. With a spring to mix resin better and easily.
3. Available black or hot dip galvanized.
SPECIFICATION:
Item No. | Diameter | Material 335Mpa | Material 500Mpa | Length | ||||
Min Yield | Max Breaking | Elongation | Min Yield | Max Breaking | Elongation | |||
ATSTB16 | 16mm | 67 | 100 | ≥18% | 98 | 140 | ≥15% | 1-6meters |
ATSTB18 | 18mm | 85 | 127 | ≥18% | 125 | 178 | ≥15% | 1-6meters |
ATSTB20 | 20mm | 105 | 157 | ≥18% | 157 | 220 | ≥15% | 1-6meters |
ATSTB22 | 22mm | 127 | 190 | ≥18% | 190 | 265 | ≥15% | 1-6meters |
ATSTB25 | 25mm | 164 | 245 | ≥18% | 245 | 340 | ≥15% | 1-6meters |