Self-Drilling Screw Kits

Self-drilling screw kits organize a selection of fasteners for metal-to-metal assembly, maintenance, and shop fastening work. Their self-drilling tips drill, tap, and fasten in one operation, allowing users to complete compatible connections without a separate pre-drilling step. Assorted kits help commercial teams keep multiple screw sizes, lengths, head styles, and drive options available for routine tasks.

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Helpful Buying Guide

Choose a Self-Drilling Screw Kit for the Fasteners You Use Most

The kits represented here range from focused #8 or #10 assortments to larger multi-size selections. Compare the screw sizes and lengths included first, then choose a head and drive style that works with the fastening task and compatible installation tools.

Visual Guide

Popular examples in this category

#8 Assorted Phillips Pan Head Self-Drilling Screw Kit#8 Assorted Phillips Pan Head Self-Drilling Screw KitWBB3148898#10 Phillips Pan Head Self-Drilling Screw Assortment Kit#10 Phillips Pan Head Self-Drilling Screw Assortment KitWBB3148879465-Piece Zinc-Plated Steel Self-Drilling Screw Assortment, #6–#14465-Piece Zinc-Plated Steel Self-Drilling Screw Assortment, #6–#14WBB2170194#10 Self-Drilling Hex Washer Head Screw Kit, Assorted Lengths#10 Self-Drilling Hex Washer Head Screw Kit, Assorted LengthsWBB3148877
Use Cases

Keep common metal-fastening options together

Self-drilling screw kits are suited to metal-to-metal assembly work, maintenance tasks, metalworking, and shop fastening where having assorted lengths or sizes on hand is useful.

How to Choose

Start with size, length, head, and drive

Select a kit based on the screw sizes required, the range of lengths needed, and the listed head and drive configuration. Available options include #6 through #14 sizes, Phillips, square, and hex-drive configurations, plus pan-head and hex washer-head styles.

Applications

Support one-operation fastening tasks

The listed self-drilling designs drill, tap, and fasten metal-to-metal materials in one operation without pre-drilling. This makes them relevant for compatible commercial maintenance, contractor, and shop work.

Additional Info

Compare focused kits with broad assortments

Focused kits provide #8 or #10 screws in six lengths, while broader assortments include multiple sizes and lengths. Certain assortments also list zinc-plated steel construction, and one 253-piece assortment includes drive accessories.

#6–#14Available size range

The broadest listed assortment spans five screw sizes from #6 through #14.

465Pieces in one assortment

One zinc-plated steel assortment provides 465 self-drilling screws.

SixLengths in focused kits

Multiple #8 and #10 kits provide six assorted screw lengths.

ThreeDrive accessories in one kit

The 253-piece assortment includes one #2 hex insert bit and two magnetic nut setters.

Comparison Guide

Compare Self-Drilling Screw Kit Types

Use this overview to narrow the assortment style that best reflects the sizes, head type, and installation interface needed for your work.

Kit typeWhat is includedSelection considerations
Focused #8 or #10 kitsOne screw size, six assorted lengths, and either Phillips pan head, square-drive pan head, or hex washer headChoose when one common screw size and a specific head or drive style are needed.
Mixed #8 and #10 kitsTwo screw sizes in multiple lengths; available with Phillips pan heads, square-drive pan heads, or hex washer headsChoose when fastening tasks call for both #8 and #10 screws.
Broad assortments253-piece, 400-piece, or 465-piece selections with multiple sizes; certain kits include zinc-plated steel screws or drive accessoriesChoose when maintaining a wider selection for routine maintenance, contractor, or shop work.
Planning Guide

Plan the right fit before choosing

Match the assortment to your work

Choose between a single-size kit and a multi-size selection

Single-size #8 and #10 kits offer six-length assortments for buyers who commonly use one screw size. Mixed #8 and #10 kits provide two common sizes with multiple lengths. For a wider on-hand selection, available assortments span #6 through #10 or #6 through #14, while another assortment lists eight screw sizes.

  • Choose #8 or #10 kits when a consistent screw size is needed.
  • Choose mixed #8 and #10 kits for two commonly used sizes.
  • Choose larger assortments when a broader range of sizes and lengths is needed.
Select the installation interface

Confirm the head style and compatible drive

Listed kits include Phillips pan-head, square-drive pan-head, and hex washer-head configurations. The head and drive style should be compared with the installation tools and fastening requirements for the job. The 253-piece assortment includes Phillips pan-head and hex washer-head options, along with a #2 hex insert bit and magnetic nut setters for 1/4 in. and 5/16 in. sizes.

  • Phillips pan-head options are available in #8, #10, and multi-size assortments.
  • Square-drive pan-head options are available in #8 and #10 assortments.
  • Hex washer-head options are available in #8, #10, mixed-size, and broad assortments.
Review material and quantity details

Consider the inventory level and listed construction

Many focused self-drilling kits list heat-treated steel or heat-treated carbon steel construction to support drilling performance and thread formation. The 400-piece and 465-piece assortments list zinc-plated steel construction. Quantity varies from targeted assortments to 253-piece, 400-piece, and 465-piece selections for teams maintaining a larger on-hand supply.

  • The 400-piece assortment includes #6, #8, and #10 screws in four lengths per size.
  • The 465-piece assortment includes #6 through #14 screws in lengths from 1/2 inch through 1-1/2 inches.
  • The 253-piece assortment combines screws, two head styles, and three drive accessories.
FAQ

Common questions before buying

What are self-drilling screw kits used for?

They are used for compatible metal-to-metal assembly, maintenance, metalworking, and shop fastening tasks. Listed self-drilling tips drill, tap, and fasten in one operation without pre-drilling.

What screw sizes are available in these kits?

Available assortments include focused #8 and #10 kits, mixed #8 and #10 kits, a #6 through #10 assortment, and a #6 through #14 assortment. One kit lists eight screw sizes.

Which head and drive styles are represented?

The summaries include Phillips pan-head, square-drive pan-head, and hex washer-head screws. The 253-piece assortment includes both Phillips pan-head and hex washer-head options.

Are larger assortments available?

Yes. The represented products include 253-piece, 400-piece, and 465-piece assortments. The 253-piece selection also includes a #2 hex insert bit and magnetic nut setters for 1/4 inch and 5/16 inch sizes.

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