Glarks G-1873 Self Tapping Flat Cross Head Screws Assortment Kit (2200 pcs) — Usage & Care Guide

1) Kit Contents & Specifications (What you have)

• Model: G-1873
• Type: Self tapping flat cross head screws (metric)
• Material: Stainless steel with assorted color coatings (black, nickel/silver, gold, bronze)
• Sizes included: M2 x 5, M2 x 6, M2 x 8, M2 x 10, M2.6 x 12, M2.6 x 16 (fully threaded)
• Head style: Flat cross head (Phillips-type drive)
• Total quantity: 2200 pcs
• Color/quantity breakdown: 4 colors; each color has 550 pcs (M2/M2.6 sizes as listed below), total 2200 pcs.

Per color distribution (550 pcs each):

• M2 x 5 mm: 100 pcs
• M2 x 6 mm: 100 pcs
• M2 x 8 mm: 100 pcs
• M2 x 10 mm: 100 pcs
• M2.6 x 12 mm: 100 pcs
• M2.6 x 16 mm: 50 pcs

2) Setup & Prep

Choose the right size

• Select the length based on the thickness of the material you’re joining.
• Select the diameter (M2 vs M2.6) based on the application and available fit.
• If you’re unsure, start with the shorter length to avoid over-penetration.

Tools you’ll typically need

• Cross/Phillips driver (manual screwdriver or compatible power driver)
• Optional: small clamp to hold pieces in place
• Optional: pilot/clearance bit (only if you’re working with very hard material)

Important note before use

• These screws have sharp tips and deep thread, which generally reduces the need to pre-punch holes in soft wood and non-metal.
• Always check the size carefully before installing (slight measurement variation may occur in packaging).

3) Operation (How to install)

1. Align parts: Place the two (or more) materials together and ensure proper alignment.
2. Start the screw: Position the screw at the starting point and keep it straight.
3. Drive into place: Turn using a cross/Phillips driver.
   • For soft wood / drywall / plastic: the screw’s self-tapping tip should bite without pre-punching in most cases.
   • For harder materials or where the screw resists: consider using a small pilot hole/clearance hole appropriate to your material.
4. Finish tightening: Tighten until secure.
   • Avoid overtightening to prevent stripping the material or damaging the head/drive.

4) Maintenance & Storage

• Keep screws organized: The kit is packed in a hard box by size/color. Store it so you can quickly identify the correct screws.
• Prevent corrosion exposure: Store in a dry location to help maintain coating finish integrity.
• Handle with care: Avoid dropping screws into dirt or debris that can scratch coating or contaminate threads.

5) Troubleshooting

Screw won’t start / won’t bite

• Confirm you selected the correct size (diameter/length).
• Ensure the screw is straight when starting.
• Try a small pilot hole if the material is very hard.
• Use the correct cross/Phillips driver bit size to prevent cam-out.

Drive slips or strips (cam-out)

• Verify you’re using the correct cross/Phillips driver.
• Reduce torque and restart more slowly.
• Check for damage to the screw head—replace if the drive is worn.

Screw goes in too far (over-penetration)

• Select a shorter length.
• Use a depth stop on a power driver or stop tightening sooner.

Joint feels loose after installation

• Confirm the screw length provides adequate thread engagement.
• Check that the materials are aligned and fully seated before tightening.
• If fastening into drywall/plaster, use the correct anchor (as required for the load).

Corrosion/discoloration concerns

• These screws are stainless steel and corrosion resistant, but coatings can visually change over time in harsh environments.
• Store dry and avoid exposure to corrosive chemicals when possible.

6) Practical FAQ

Are these screws truly self tapping?

Yes. The screws feature sharp tips and deep threads, designed to tap into their material (especially soft wood and non-metal) without pre-punching in most situations.

Do I need to pre-drill?

Often you don’t for soft wood/non-metal. For very hard materials, for better control, or when the screw won’t bite smoothly, using a small pilot hole can help.

What are common uses?

They are widely used on wood, drywall, plastic, gardening, and construction. They’re also suitable for home improvement and DIY projects (e.g., dollhouse builds).

Which driver should I use?

Use a cross/Phillips driver that matches the screw head. Using the wrong bit size can cause slipping and stripped heads.

What’s the difference between the colors?

The kit provides four color options (black, bronze, nickel/silver, gold) with the same included size set. Choose the color based on your aesthetic or matching requirements.

Are the screws fully threaded?

Yes—threads are fully threaded.

7) Safety & Best Practices

• Wear safety glasses when driving screws, especially with power tools.
• Avoid overtightening to prevent damage to the workpiece or screw head.
• If fastening for structural loads, confirm compatibility with the material and consider appropriate anchors/hardware.

Model: Glarks G-1873 — 2200 pcs self tapping flat cross head screws assortment.

Frequently Asked Questions

1. What materials are these screws suitable for?

   These Glarks self-tapping screws are designed for use in wood, drywall, plastic, and general construction applications. Their sharp tips and deep threads allow for easy penetration without pre-drilling in most soft materials.

2. What sizes and colors are included in this kit?

   The kit includes 2200 pieces in six different sizes: M2x5mm, M2x6mm, M2x8mm, M2x10mm, M2.6x12mm, and M2.6x16mm. They come in four distinct colors: black, bronze, nickel (silver), and gold.

3. Are these screws made of stainless steel?

   Yes, these screws are made from high-quality stainless steel, ensuring durability, high hardness, and corrosion resistance for long-lasting performance.

4. Do I need to pre-drill holes before using these screws?

   For most soft wood or non-metal applications, pre-drilling is not necessary due to the sharp tips and deep threads of these self-tapping screws. However, for harder materials, a pilot hole may be beneficial.

5. What is the head style and drive system of these screws?

   These screws feature a flat head style and utilize a cross-head drive system, making them compatible with standard Phillips head screwdrivers.

6. Can these screws be used outdoors?

   Given they are made from stainless steel, they offer good corrosion resistance, making them suitable for some outdoor applications, especially where exposure to moisture is not extreme. However, for highly corrosive environments, specific marine-grade stainless steel might be preferred.