Lag Screws (Hex Wood Screws) to DIN 571. Full dimensional table, materials, finishes and quotation. 11 sizes listed.
Technical Drawing
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Sends the selected values to the quote form below.
Request a Quotation for Lag Screws (Hex Wood Screws)
Tell us the size, material, finish and quantity you need for Lag Screws (Hex Wood Screws) (DIN 571) and our team will respond within one business day. Click "Request this configuration" on the drawing above to send the parameters you just chose straight into this form.
Dimensions & Specifications (DIN 571)
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Nominal diameter (mm)
Pitch (mm)
Width across flats s (mm)
Head height k (mm)
Pilot/guide hole (mm)
Common length range (mm)
Reference standard
Notes
5
2.0
8.0
3.5
3.0
25~100
DIN 571
Wood screw, self-tapping point
6
2.5
10.0
4.0
4.0
30~150
DIN 571
Wood screw, self-tapping point
8
3.0
13.0
5.5
5.0
40~200
DIN 571
Wood screw, self-tapping point
10
3.5
16.0
6.5
7.0
50~250
DIN 571
Wood screw, self-tapping point
12
4.0
18.0
7.5
8.5
60~300
DIN 571
Wood screw, self-tapping point
14
4.0
21.0
9.0
10.0
60~300
DIN 571
Wood screw, self-tapping point
16
4.5
24.0
10.0
11.5
80~300
DIN 571
Wood screw, self-tapping point
18
5.0
27.0
11.5
13.0
80~300
DIN 571
Wood screw, self-tapping point
20
5.0
30.0
12.5
14.5
100~300
DIN 571
Wood screw, self-tapping point
22
5.5
32.0
14.0
16.0
100~300
DIN 571
Wood screw, self-tapping point
24
6.0
36.0
15.0
17.5
100~300
DIN 571
Wood screw, self-tapping point
Lag Screws (Hex Wood Screws) (DIN 571) are a type of bolts used across industrial assembly. Below is the complete size table together with material, standard and application guidance.
What Are Lag Screws (Hex Wood Screws)?
Lag Screws (Hex Wood Screws) are bolts defined by DIN 571. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.
Materials & Finishes
Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.
Lag Screws (Hex Wood Screws) are stocked and supplied to order. Pricing starts from approximately US$0.070 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Submit your exact configuration with the quote form above.
Frequently Asked Questions
What is the controlling standard for Lag Screws (Hex Wood Screws), and what drive do they take?
Lag Screws (Hex Wood Screws) are manufactured to DIN 571 and use an external hex drive. The dimensional values on this page follow that standard.
What sizes are available for Lag Screws (Hex Wood Screws)?
The table on this page lists 11 sizes for Lag Screws (Hex Wood Screws), ranging from 5 to 24. Sizes outside the table can be quoted on request.
In which materials are Lag Screws (Hex Wood Screws) supplied?
Lag Screws (Hex Wood Screws) are supplied in carbon steel in property classes 8.8 / 10.9 / 12.9 and stainless A2 (304) / A4 (316), with finishes including zinc plating, hot-dip galvanizing and black oxide. Choose material and finish to suit the load and the service environment for Lag Screws (Hex Wood Screws).
What spanner sizes do Lag Screws (Hex Wood Screws) take?
The width-across-flats for the smallest size on this page is 8.0 mm; the full table opposite the drawing lists the spanner size for every Lag Screws (Hex Wood Screws).
How do I request a quotation?
Use the parametric drawing on this page to set the exact configuration (size, material, finish) and click "Request this configuration" — a specialist from engineeringhardware.com will respond within one business day.