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M4 Metric Crystal Lock Screw #1 - Binding Post on Tattoo Machine
The Crystal Lock Screw goes in the binding post and is used to keep pressure on the contact screw. The Lock Screw is M4 metric with a length of 11mm and a 4mm diameter of the threaded part. The thread length, or distance of each thread, is 0.7mm. This item is made of plastic and is sold singularly, so make sure to choose a larger quantity if you want a few for backup.
Specifications:
The following webchart is a quick reference guide for standard body jewelry measurements and how to measure basic body jewelry. Please print this webchart to help measure your body jewelry accurately.
JPG (300 KB)
Visit our PainfulPleasures Infocenter for additional body jewelry information. There, you will find detailed articles on standard body jewelry sizes, how to measure body jewelry, basic body jewelry, and more.
Ensure compatibility between standard (non-custom) PainfulPleasures body jewelry parts using the tables below. More information on threading, including custom thread patterns, can be found in our Threading Infocenter article.
Internally threaded jewelry has a threaded post on the top and/or end, which is then inserted into a threaded hole in the barbell shaft.
Gauge
18g, 16g
14g, 12g
10g–00g
Internal Thread Pattern
0.8mm or 0.9mm
1.2mm
2.0mm
Externally threaded jewelry has a threaded post on the barbell shaft, which is then inserted into a threaded hole in the top and/or end.
14g, 12g, 10g
External Thread Pattern
1.6mm
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