ASTM Stud Seal Bolt Product standard: ASTM, A325M, A490M, A563M, F436M Product size: M6–M64 1/4″–3″ Bolt pitch: 0.3-2.5 mm Negative line diameter: ±0.02 mm Material: Carbon steel, stainless steel, copper, aluminum, alloy steel Surface treatment: Galvanized / oiled Bolt thread length: Full thread / half thread From raw materials to end product delivery, it has […]
ANSI ASME B18.2.1 Heavy Hex Bolt, Black Oxide Carbon Steel Hex Bolts, bOxidation black 8.8 grade Black hex bolt, DIN933/DIN931 HEX BOLT AND NUT,Hexagon BOLTS HOT DIP GALVANIZING GRADE 8.8 China Manufacturer
ANSI ASME B18.2.1 Heavy Hex Bolt FEATURES
Specifications as per ANSI B18.2.1
Detailed dimensions as below table 3
Size: 3/8×2.1/2 inch
Grade ASTM A307 (type A)
Material: Carbon Steel
Surface: Black Oxide
Production Process: Material- Wire Resizing- Pre-treatment- Cold Forging- Thread Cutting-Tempering & Quenching (if needed)- Surface Treatment (Galvanizing)- Packing
Size M3-M100 or non-standard as request&design
Length 10mm-200mm or non-standard as request&design
Thread Type Half thread
Nut Type Hexagon
Head Type Hexagon
Material Stainless steel: SS304,SS316,SS201,SS316L
Standard GB, DIN, ISO, ANSI/ASTM, B7, BS, BSW, JIS etc
Non-standards OEM is available, according to drawing or samples
Samples Samples are free. ASTM A307 A325 A449 Heavy Hex Bolts
Bulk in master cartons, then on pallets, or according to customers’ requirement.
Payment T/T (30% in advance and 70% before shippment)
Delivery 5-20 days
Q1: Are you a manufacturer or trading company?
A: We are manufacturer for bolts, studs, rivets, pins, washers, stamping & tooling parts, we have long-term associated parteners that can provide wide range of fasteners.
Q2: What kind of material you used for producing the bolt?
A: We using carbon steels (low and medium carbon, alloy steels), stainless steel and brass.
Q3: Do you produce standard or non standard bolt?
A: We have regular production for ANSI and DIN standard bolts, while we also make customized bolts and stud.
Q4: How to ensure that every process’s quality?
A: We have our in-house QC daily and hire third party for randomly inspection.
Q5: Can you provide samples?
A: For our regular products, we offer free samples. For customized bolts, tooling and moulding charges need. All free samples not including its courier charge. Stainless Steel Allen Head Bolt