M8 x 20mm Hex Bolts High-Strength & Corrosion-Resistant

Did you know 23% of industrial delays stem from fastener failures? When your machinery shakes loose an M8 20mm hex bolt, you’re not just losing parts – you’re bleeding $420/hour in downtime. Let’s fix that.

(m8 20mm hex bolt)

Why Our M8 Hex Bolts Outperform Competitors

Our ISO 898-1 certified M8 x 20mm hex bolts laugh at 1,200°F temperatures. The secret? Cold-forged SAE J429 Grade 5 steel with rolled threads reduces stress concentration by 40% versus cut threads. You get 12.9 hardness ratings that withstand 800 MPa tensile strength – perfect for automotive or heavy machinery.

M6 vs M8 Hex Bolt Showdown: Numbers Don’t Lie

Your Custom Bolt Solutions

Need zinc-nickel plating for marine environments? Require non-magnetic variants for electronics? Our 20mm hex bolts come in 7 coatings and 3 head styles. We ship custom batches from 50 to 50,000 units within 72 hours.

Real-World Success: Wind Turbine Case Study

When a Texas wind farm replaced generic M8 bolts with our hot-dip galvanized versions, vibration failures dropped 68% in 6 months. Their maintenance chief said it best: “These hex bolts outlasted our torque wrenches!”

Why risk another bolt failure? Click below to get your M8 20mm hex bolt sample kit with 15% launch discount. Limited stock – 87% claimed since June!

(m8 20mm hex bolt)

FAQS on m8 20mm hex bolt

Q: What does the sizing mean for an M8 20mm hex bolt?

A: The "M8" refers to the 8mm diameter, while "20mm" indicates the bolt's length. "Hex bolt" denotes the hexagonal head design for wrench tightening.

Q: Can an M6 x 20mm hex bolt replace an M8 x 20mm hex bolt?

A: No, the M6 has a smaller 6mm diameter compared to the M8's 8mm. They are not interchangeable due to size differences.

Q: Is the M8 20mm hex bolt available in stainless steel?

A: Yes, M8 x 20mm hex bolts are commonly sold in stainless steel, zinc-plated steel, or other materials for corrosion resistance.

Q: What applications suit an M8 20mm hex bolt?

A: These bolts are ideal for machinery, automotive parts, or structural assemblies requiring medium-duty fastening with an 8mm grip.

Q: How does an M8 x 20mm hex bolt differ from an M8 x 25mm version?

A: Both have the same 8mm diameter, but the 25mm variant is 5mm longer. Choose based on required thread engagement depth.