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The Hot Dip Galvanized ASTM A153 Double Arming Bolt is a critical fastening component used in pole line hardware assemblies to securely mount crossarms and related fittings on utility poles. This ASTM A153 double arming bolt is manufactured from high-strength steel and hot-dip galvanized for superior corrosion resistance, ensuring long-term performance in outdoor power distribution environments. It is widely applied in overhead transmission and distribution line construction.
Manufactured according to ASTM A153 hot dip galvanizing standard
High-strength steel ensures secure crossarm fastening
Excellent corrosion resistance for outdoor environments
Designed for double arming crossarm applications
Stable mechanical performance under long-term load
Compatible with standard pole line hardware fittings
Smooth galvanized surface reduces rust and wear
Easy installation with standard tools
Utility-grade quality for transmission and distribution lines
Long service life with minimal maintenance
Utility pole crossarm installation
Overhead transmission and distribution lines
Double crossarm pole structures
Power distribution network construction
Pole line hardware assembly projects
• Insert the ASTM A153 double arming bolt through the pre-drilled holes of the pole and crossarms.
• Position washers and nuts correctly on both sides of the assembly.
• Tighten the bolt using appropriate torque to ensure firm crossarm fixation.
• Verify alignment and structural stability after installation.
• Use in outdoor pole line installations requiring long-term durability.
Produced in compliance with ASTM A153 and utility hardware standards
100% inspection of dimensions and mechanical strength
Strict quality control of galvanizing thickness
Corrosion resistance verified for outdoor applications
Consistent quality for long-term utility service
Q1: What is a double arming bolt used for?
A1: It is used to secure crossarms to utility poles in overhead line installations.
Q2: Is this bolt suitable for outdoor use?
A2: Yes, the hot dip galvanized finish provides excellent corrosion resistance.
Q3: Does it comply with ASTM standards?
A3: Yes, it is manufactured according to ASTM A153 requirements.
Q4: Can it be used for transmission and distribution lines?
A4: Yes, it is suitable for both transmission and distribution pole lines.
Q5: Does it require special maintenance?
A5: No, only routine inspection is recommended.
Other lengths and 1 inch diameter machine bolts are available. 304 & 316 Stainless Steel square machining bolts are available per the request. When you need Square Machine Bolts,refer to above our catalog. We offer them in a full selection of sizes, provide the length, diameter or part number to get a quote on these bolts, leave your message, or send us an email. You can also call us to get answers to your questions and place your order.
