Self Drilling Concrete Screws

Welcome to Ningbo Zhenkun Machinery Co., Ltd. Our self-drilling concrete screws are an excellent solution for fastening into hard concrete, brick, or block. With their unique design, they can easily drill and tap a thread into concrete without the need for a pre-drilled hole, saving time and effort on installation. Our Self Drilling Concrete Screws are made of high-quality materials and are available in a variety of sizes and finishes to meet your specific requirements. Whether you are in construction, engineering, or manufacturing, our self-drilling concrete screws are a reliable choice for your fastening needs.

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Product Description

Self drilling concrete screws are a type of fastener designed for use in concrete and other masonry materials. These screws are often used in construction projects where a secure connection is needed between materials, such as attaching wood framing to concrete walls or floors. They are made of high-strength steel and are designed to drill their own pilot hole as they are installed, eliminating the need for pre-drilling.

One of the main advantages of self drilling concrete screws is their ease of use. With no need for pre-drilling, they can save significant time and effort on construction projects. They are also highly versatile and can be used in a wide range of applications, from residential to commercial construction.

Another key benefit of self drilling concrete screws is their strength and durability. Made from high-quality materials, these screws are designed to withstand heavy loads and resist corrosion and rust over time. This makes them an excellent choice for projects where long-term performance is important.

Overall, self drilling concrete screws are an essential component in many construction projects. With their strength, versatility, and ease of use, they provide a reliable and effective fastening solution for a wide range of applications.

Product Name:	Cross recessed raised contersunk self-drilling tapping screws DIN 7504 (R) - 1995
Standard:	DIN 7504 (R) - 1995
Material:	Carbon steel and stainless steel
Size:	Reference standards and according to customer requirements
Finished:	Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain
Delivery time:	Normally in 30-40 days.

Thread Position	External	Thread Type:	Self-Tapping
Internal Driving:	Phillips / Pozidriv	External Driving:	Raised Countersunk Head
Locking Type:	/	Shank:	/
Point:	Drilling	Mark:	As required

Nominal Length L - 13 16 19 22 25 32 38 45 50 Tips:seclect Nominal Length L and get .

Thread Size

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

P	Pitch
a	max
dk	max
dk	min
f	≈
k	max
r	max
R	≈
Socket No.
M1
M2
α	0,+2°
dp
Drilling range(thickness)

1.1	1.3	1.4	1.6	1.8	1.8
1.1	1.3	1.4	1.6	1.8	1.8
5.5	7.3	8.4	9.3	10.3	11.3
5.2	6.9	8.0	8.9	9.9	10.9
0.7	0.8	1.0	1.2	1.3	1.4
1.70	2.35	2.6	2.8	3.0	3.15
1.2	1.4	1.6	2.0	2.2	2.4
6.0	8.5	9.5	9.5	11.0	12.0
1	2	2	2	3	3
3.4	4.8	5.2	5.4	6.7	7.3
3.3	4.8	5.2	5.6	6.6	7.2
90°	90°	90°	90°	90°	90°
2.3	2.8	3.6	4.1	4.8	5.8
0.7~1.9	0.7~2.25	1.75~3	1.75~4.4	1.75~5.25	2~6

Lg (min.)

About Zhenkun Fasteners

Ningbo Zhenkun Machinery Co., Ltd. is a leading manufacturer and supplier of high-quality fasteners, including self drilling concrete screws. With years of experience and a commitment to quality, we provide our customers with reliable and effective solutions for all their fastening needs. Our products are made from the finest materials and are rigorously tested to ensure maximum strength and durability. Contact us today to learn more about our products and how we can help you with your construction projects.