1. Confirm the head type
Common screw head types include:
Hex Head
External Hex Flange Head
Socket Head
Countersunk Head
Button Head
Measurement Guide
Fastener Measurement Tutorials
Step-by-step tutorials for measuring screw specifications, nut sizes, and washer dimensions before ordering.
How to quickly identify the screw you need
DHPLM
Example: M8 L25 P1.252. Measure the key data
L
Screw length
Required. For countersunk screws, measure the total length.
M
Thread diameter
Required. Match this to the metric thread size.
P
Thread pitch
Required for M8 and larger thread diameters.
D
Head diameter
Optional, but important when the installation pocket limits the head size.
H
Head height
Measure if the visible or clearance height matters.
Send the accurate M, L, and optional D/H dimensions to customer service, and we can recommend a suitable titanium screw.
Tutorials
How to Measure
Follow these steps to identify the exact fastener specifications you need.
How to Identify Screw Specifications
Measure thread diameter, thread pitch, head type, seat type, and overall length before replacing vehicle screws.
- Measure diameter
- Check thread pitch
- Confirm head style
- Measure usable length
How to Confirm Nut Size
Match the internal thread size, nut style, contact face, and locking requirement before selecting titanium nuts.
- Match thread size
- Check nut height
- Confirm flange or hex type
- Check lock requirement
How to Measure Washer Size
Measure inner diameter, outer diameter, thickness, and seat shape for titanium flat washers, spring washers, or special washers.
- Measure inner diameter
- Measure outer diameter
- Measure thickness
- Confirm washer style