Free help & advice Learn more

  • Free shipping over £50

  • Free help & advice

  • Hassle-free returns

  • Open 5 days a week

10% Off Sale on Oils and Fluids

WINTER10
GRANIT  |  SKU: GR-4990160

M6 x 40mm Hex Head Bolts | 10-Pack, Grade 8.8, Partial Thread (DIN 931)

Regular price £1.02
Shipping calculated at checkout.

Delivery and Shipping info

Standard & Express Options:

  • Free Standard Shipping (2-4 Days):
    Enjoy free delivery on all qualifying domestic orders over £50 on eligible UK mainland orders and product types.
  • Standard Shipping (2-4 Days):
    For domestic orders under £50, a flat-rate shipping fee of £4.99 on eligible UK mainland orders and product types.
  • 24-Hour Next-Day Shipping:
    Need it urgently? Upgrade to 24 hour delivery for just £6.89 on eligible UK mainland orders and product types.
  • Important Exceptions: Large Equipment &
    International Orders

Returns

Start Your Return Online (Recommended)

  1. Log In: Sign into your account on our website.
  2. Select Order: Navigate to your order history and select the item you wish to return.
  3. Initiate Return: Follow the simple prompts to start your return.

A Thank You to Our Valued Customers.

Description

M6 x 40mm Hex Head Bolts | 10-Pack, Grade 8.8, Partial Thread (DIN 931)

Secure critical assemblies with precision and strength using this 10-Pack of M6 x 40mm Hex Head Bolts. Manufactured to the exacting DIN 931 standard, these high-tensile Grade 8.8 bolts feature an 18mm unthreaded shoulder ('b') for enhanced shear resistance, followed by a standard 1mm pitch thread. This engineered design is ideal for applications where the bolt shank must bear load through an unthreaded hole, ensuring reliable performance in machinery, brackets, and structural connections.

Key Features:

  • Grade 8.8 High Strength: 800 N/mm² tensile strength ensures dependable performance under load.

  • Precision Shoulder Design (DIN 931): 18mm unthreaded shank provides increased shear strength and aids in component alignment.

  • Versatile M6 x 40mm Size: A practical and common length for a wide range of medium-duty fastening tasks.

  • Hexagon Head (10mm AF): Standard head for easy tightening with a spanner or socket.

  • Reliable 10-Pack: Consistent quality and quantity for professional repairs or projects.

Specifications:

  • Part No.: 4990160

  • Standard: DIN 931 / ISO 4014

  • Size: M6 x 40mm

  • Thread Pitch: 1mm

  • Head: Hexagon, 10mm AF (S), 4mm height

  • Shoulder Length (b): 18mm (unthreaded shank)

  • Material/Strength: Steel, Grade 8.8

  • Thread: Partial (with shoulder)

  • Pack Quantity: 10

Ideal For: Machinery assembly, fabricated brackets, equipment mounts, and any application requiring a strong M6 fastener where precise location and shear resistance are important.

Engineered for reliability. The specified choice for precise, load-bearing fastening.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.