1 7

568 pcs M4/M6/M8 Hex Socket Flat Head Screw Bolts and Nuts Kit, 10.9 Grade Alloy Steel Metric Thread Hexagon Allen Machine Bolt, Black Screws Assortment Kit，A Black Hex Flat Head Cap Bolts - style: Flat Head Socket Cap - Kits

568 pcs M4/M6/M8 Hex Socket Flat Head Screw Bolts and Nuts Kit, 10.9 Grade Alloy Steel Metric Thread Hexagon Allen Machine Bolt, Black Screws Assortment Kit，A Black Hex Flat Head Cap Bolts - style: Flat Head Socket Cap - Kits

$41.48 USD
$41.48 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • Hex Socket Flat Head Countersunk Bolts Screw Nut Assortment Kit: This Black Screws Assortment Kit includes M4 screws (20 sets each of 10mm, 16mm, 20mm, 30mm); M6 screws (10 sets each of 16mm, 20mm, 30mm; 8 sets of 40mm); M8 screws (6 sets each of 20mm, 25mm, 30mm, 40mm); plus 80 M4 nuts with 160 flat & lock washers, 38 M6 nuts with 76 washers, and 24 M8 nuts with 48 washers. Every screw comes pre-paired with matching nuts and washers, eliminating separate purchases
  • 10.9 Grade Alloy Steel: Screws Nuts Set is Made of high quality 10.9 grade alloy steel. Which features is strength and offers good corrosion resistance in bad environment like high temperature, Cold weather and high humidity areas. our bolts, nuts, and washers offer excellent resistance to rust, corrosion, and oxidation for superior, long-lasting durability
  • Enhanced Efficiency & Secure Fastening: Each screw includes its corresponding washer and nut, ensuring perfect fit and speeding up assembly. This design allows greater preload during tightening, significantly increasing connection reliability, stability, and clamping force
  • Organized User-Friendly Storage: All components are neatly arranged in a transparent compartment case with clear size labels. This enables instant identification and easy portability for workshops, job sites, or home storage
  • Universal Cross-Industry Compatibility: Ideal for furniture assembly, automotive repairs, 3D printer maintenance, electrical systems, DIY projects, and commercial equipment. Meets requirements for both professional tradespeople and heavy-duty household applications

Overview

  • Color: Black
  • Material: Alloy Steel
  • Brand: SEELUBALAR
  • Item dimensions L x W x H: 7.5 x 5.1 x 1.4 inches
  • Fastener Type: Bolt

Low stock: 10 left

View full details

Reviews

  • ⭐⭐⭐⭐⭐

    Ethan Miller — Seattle, Washington

    GripReady has a practical selection of climbing essentials that fits well into my regular gym routine. The items I ordered were simple to use, easy to organize, and useful for preparing before each session. Everything arrived as expected, and I would shop here again.

  • ⭐⭐⭐⭐⭐

    Olivia Turner — Austin, Texas

    I picked up a few training and hand-care accessories, and they have been convenient additions to my climbing bag. The products feel straightforward without unnecessary features, and the store made it easy to find items for both training and post-session care.

  • ⭐⭐⭐⭐⭐

    Ryan Cooper — Denver, Colorado

    I like that GripReady brings together different climbing essentials in one place. The products I received worked well for my home training setup and indoor climbing sessions. They were easy to understand, practical to store, and suited my everyday routine.

  • ⭐⭐⭐⭐⭐

    Mia Bennett — Portland, Oregon

    The climbing accessories I ordered have been useful for keeping my gear more organized and my sessions better prepared. The selection feels focused on products climbers can actually use regularly, from training tools to small gym-bag essentials.

Best Items

View all

FAQ

What types of products does GripReady sell?

GripReady offers products for bouldering, indoor climbing, grip and finger training, hand and skin care, climbing chalk, chalk bags, hangboards, climbing holds, recovery tools, and gear organization. Please review each product page for its intended use and specifications.

How much does shipping cost?

We generally charge a flat shipping fee of $6.90 per order. The final shipping charge will be displayed at checkout before you complete your purchase. Customs duties, import taxes, and other international fees are not included unless specifically stated.

How long does order processing take?

Orders are generally processed within 1–3 business days, Monday through Friday, excluding public holidays. Processing may take up to 5 business days during peak periods, inventory checks, or payment verification.

How long will delivery take?

Estimated delivery after shipment is approximately:

United States: 5–10 business days

International destinations: 10–20 business days

Delivery times are estimates and may vary because of carrier delays, customs processing, weather, holidays, or other circumstances outside our control.

How can I track my order?

When tracking information becomes available, we will send a shipping confirmation email containing your tracking number or tracking link. Tracking may take several business days to show its first update after a shipping label is created.

Can I change or cancel my order?

Please contact us as soon as possible at housbirdcempo@gmail.com. We cannot guarantee changes or cancellations once an order has entered processing, been packed, or shipped. A request is confirmed only after you receive written confirmation from GripReady.

What is your return policy?

Eligible products may be returned within 30 calendar days after delivery. Products must generally be unused and returned with their original packaging, accessories, labels, and instructions. Opened hand-care products, used climbing equipment, customized items, and products marked as final sale may not be eligible. Please review our Return & Refund Policy before sending anything back.

What should I do if my order arrives damaged, defective, or incorrect?

Contact housbirdcempo@gmail.com as soon as reasonably possible. We recommend reporting the issue within 7 calendar days after delivery. Include your order number and clear photographs of the product, packaging, shipping label, and any visible damage. Please keep all packaging until the issue is resolved.

How do I know whether a product is suitable for my climbing setup?

Review the product dimensions, intended use, mounting method, weight limit, compatibility information, manufacturer instructions, and safety warnings before purchasing. Products must not be used for belaying, fall arrest, rescue, anchoring, or other life-support purposes unless they are expressly designed and certified for that specific use.

How can I contact GripReady customer support?

Email us at housbirdcempo@gmail.com with your name, order number, and a clear description of your question. We aim to respond within 1–2 business days, Monday through Friday, excluding public holidays and unusually busy periods.

Blog posts

View all
  • The Ultimate Pre-Climb Mobility Routine: 10 Minutes to Better Movement and Fewer Injuries

    The Ultimate Pre-Climb Mobility Routine: 10 Min...

    Discover a practical 10-minute pre-climb mobility routine designed to improve movement, prepare your body, and support injury prevention. Learn simple warm-up exercises that help every indoor climber perform with confidence.

    The Ultimate Pre-Climb Mobility Routine: 10 Min...

    Discover a practical 10-minute pre-climb mobility routine designed to improve movement, prepare your body, and support injury prevention. Learn simple warm-up exercises that help every indoor climber perform with confidence.

  • Top 5 Hand Care Habits That Keep Climbers on the Wall Longer

    Top 5 Hand Care Habits That Keep Climbers on th...

    Healthy skin is essential for consistent climbing performance. Discover five practical hand care habits that help prevent flappers, manage calluses, and keep your hands ready for every indoor bouldering session.

    Top 5 Hand Care Habits That Keep Climbers on th...

    Healthy skin is essential for consistent climbing performance. Discover five practical hand care habits that help prevent flappers, manage calluses, and keep your hands ready for every indoor bouldering session.

  • 5 Mistakes That Are Slowing Your Fingerboard Progress (And How to Fix Them)

    5 Mistakes That Are Slowing Your Fingerboard Pr...

    Avoid the most common fingerboard training mistakes and build stronger fingers safely. Learn practical tips to improve climbing performance while protecting your hands and tendons for long-term progress.

    5 Mistakes That Are Slowing Your Fingerboard Pr...

    Avoid the most common fingerboard training mistakes and build stronger fingers safely. Learn practical tips to improve climbing performance while protecting your hands and tendons for long-term progress.

1 3
View all