Best Insulation Screws in 2026

HIGH QUALITY ZINC-PLATED STEEL: Phillips Modified Truss Head Sheet Metal Screw made of 100% high quality durable steel with hard Zinc Plating, built to last years with no wear and tear

RUST RESISTANT: Zinc Plating provides an excellent corrosion resistant shell for a long lasting cost effective fastener

CONVENIENCE: Phillips Modified Truss Head Sheet Metal Screws are known to be convenient and versatile. Great to have while working with sheet metal environment. Suitable for indoor and outdoor applications

Quantity: 100 #8 x 3/4" Screws

Drive Type: Phillips Modified Truss Head

Material: Black Phosphate Coated Carbon Steel

General purpose screws with low profile, washer-like head

For use with thin metal applications and duct work

Self-piercing point eliminates need for pre-drilling

Dimensions: Height .625" - Head Width .625" - Shaft .265" - Length 4" - Use with T30 Torx Bit

Bronzed Coated Exterior - Prevents Rust and Corrosion - ACQ Lumber Compatible

Type 17 Notched Extra Sharp Point for Quick Starts without "Walking", Reduces Need for Pre-Drilling

【Head Type】: #8, #10 standard truss head self drilling screws assortment kit. Drive type: Phillips.

【Screw Sizes】: #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'', #10 x 1/2'', #10 x 5/8'', #10 x 3/4'', #10 x 1'', #10 x 1-1/4'', 380 pcs black self tapping screws, various sizes to meet your all needs.

【High Quality】: These self drilling screws for metal are 100% made of 410 stainless steel and with black oxide coating, waterproof and anti-rust, which are famous for excellent corrosion resistance and abrasion resistance.

Steel is often used in applications where strength is the primary consideration

Black phosphate coating provides corrosion resistance and lubricity

Modified Truss head is extra wide with a low-profile dome and integral round washer

Steel is often used in applications where strength is the primary consideration

Black phosphate coating provides corrosion resistance and lubricity

Modified Truss head is extra wide with a low-profile dome and integral round washer

Steel is often used in applications where strength is the primary consideration

Black phosphate coating provides corrosion resistance and lubricity

Modified Truss head is extra wide with a low-profile dome and integral round washer

Head Type: Modified Truss Head; Drive Type: Phillips; Point Type: #2.

Screw Type: #8 Black Self Drilling Screws.

Sizes: #8 x 1/2",',#8 x 3/4",#8 x 1" Self Drilling Screws.

Type/Size: The screw kit contains 12 style. Hex Washer Head：55 Pieces #8×1/2", 45 Pcs #8×5/8", 35 Pcs #8×3/4", 30 Pcs #8×1", 15 Pcs #8×1-1/4",15 Pcs＃8×1-1/2".Modified Truss Head:55 Pieces #8×1/2", 50 Pcs #8×5/8", 40 Pcs #8×3/4", 30 Pcs #8×1", 15 Pcs #8×1-1/4",15 Pcs＃8×1-1/2".

Material: Self-drilling screws are made of 410 stainless steel. Self-drilling screws have higher density, better stability, durability, corrosion resistance and wear resistance than ordinary screws.

Advantages: Improved design of ordinary screws. It makes the material less prone to cracking during use and can be better fixed. Easy and fast installation. Save construction time. Can be screwed in without pre-drilling. It can be locked and secured to each other on the combined material by its own thread.

【2 Screw Head Type】#8 Self-tapping screws combination kit includes hex washer/Wafer head. The hex washer provides greater load carrying capacity and greater stability, and the cross slot design allows for quick and easy installation.

【#8 Multiple Screws Size】#8 self tapping screws for metal include 10 sizes that are often used in everyday life, including 50pcs #8x1/2, 40pcs #8x5/8, 40pcs #8x3/4, 30pcs #8x1, 25pcs #8x1-1/4 (each head), for a total of 370 pieces for your different needs. These sizes can solve your problems in daily maintenance.

【410 Stainless Steel】Sheet metal screws are made of 100% 410 stainless steel with black oxide coating, which provides higher corrosion resistance, strength and rust prevention than ordinary screws in harsh environments. They are not easily damaged and can be used for a long time.

SPECIFICATION: Modified truss head, Phillips drive, self-tapping, carbon steel, blue-white zinc plated, standard thread, 4.2*13mm-100PCS.

STURDY & DURABLE: These screws are made of strong carbon steel for stronger, sharper points, zinc-plated for moderate corrosion resistance.

MORE STABILITY: These self-piercing screws feature a washer-like head design to help provide great holding power and stability.

♛【Package Includes】: This screws kit includes 40pcs #8 x 1/2" screws, 40pcs #8 x 5/8" screws, 30pcs #8 x 3/4" screws, 30pcs #8 x 1" screws, 20pcs #8 x 1-1/4" screws and 20pcs #8 x 1-1/2" screws, totally 180pcs. All these screws are sorted packed in a plastic box and you can easily find suitable sizes from this kit.

♛【High Quality Material】: Our truss head self tapping wood screws are made of high quality carbon steel, black zinc plating gives screws higher corrosion resistance and rust resistance for long service life, not easy to break or deform, and can fit different indoor and outdoor environments.

♛【Sharp Tip Design】: This phillips truss head self tapping screw with sharp tip and deep thread can easily penetrate a variety of materials and achieve tight connecting, which provides better holding power to get the job done easily.

410 Stainless Steel

Tensile - 180,000 psi, Hardness - 40 Rockwell C

Type BSD is a tapping screw with spaced threads and a drill point which drills its own hole