Sunrise Metals

GI Nut & Bolt – Specifications 1. Material • Base: Mild Steel (as per IS 1363 / IS 1367) • Coating: Galvanized (GI) • Usually Hot Dip Galvanized (HDG) for strong outdoor protection • Zinc coating thickness: 40–80 microns ⸻ 2. Types • Hex bolt with hex nut • Full thread bolt • Half thread bolt • Carriage bolt • GI foundation bolt • GI U-bolt / J-bolt • Stud with GI nuts • GI washer sets (optional) ⸻ 3. Size Range Diameter (Thread Size) • M6 to M36 (standard range) • Larger sizes available on request (up to M64) Length • 20 mm to 300 mm • Custom sizes also available Thread • Metric coarse thread (ISO standard) ⸻ 4. Mechanical Grade Common strength grades for GI bolts: • Grade 4.6 – Standard • Grade 5.6 – Medium strength • Grade 8.8 – High strength (can be GI coated) ⸻ 5. Features • High corrosion resistance • Suitable for outdoor installations • Strong bonding of zinc layer • Good strength and durability • Long life in moisture and industrial environments ⸻ 6. Applications • Solar structures • Electric poles and towers • Industrial sheds • Fencing and gates • Construction and fabrication • Machinery and equipment • Guard rails and sign boards

GI Nut & Bolt – Specifications 1. Material • Base: Mild Steel (as per IS 1363 / IS 1367) • Coating: Galvanized (GI) • Usually Hot Dip Galvanized (HDG) for strong outdoor protection • Zinc coating thickness: 40–80 microns ⸻ 2. Types • Hex bolt with hex nut • Full thread bolt • Half thread bolt • Carriage bolt • GI foundation bolt • GI U-bolt / J-bolt • Stud with GI nuts • GI washer sets (optional) ⸻ 3. Size Range Diameter (Thread Size) • M6 to M36 (standard range) • Larger sizes available on request (up to M64) Length • 20 mm to 300 mm • Custom sizes also available Thread • Metric coarse thread (ISO standard) ⸻ 4. Mechanical Grade Common strength grades for GI bolts: • Grade 4.6 – Standard • Grade 5.6 – Medium strength • Grade 8.8 – High strength (can be GI coated) ⸻ 5. Features • High corrosion resistance • Suitable for outdoor installations • Strong bonding of zinc layer • Good strength and durability • Long life in moisture and industrial environments ⸻ 6. Applications • Solar structures • Electric poles and towers • Industrial sheds • Fencing and gates • Construction and fabrication • Machinery and equipment • Guard rails and sign boards