2022_Monster_Bolts_Fasteners_eBay
Bulk item listing for 2,000 new M4-1.79 16mm 6-Lobe Round Washer Head Thermoplastic Thread Forming Screws.  Made from A2 Stainless Steel and have a 30 Degree Thread Flank (see included diagram above).  These are EJOT® PT®-Alternatives.  

Diameter :
 M4 / 4mm
Thread Size / Pitch : 1.79mm
Length :
 16mm
Drive :
 T20 - Torx / Star / 6Lobe
Type :
 Thread Forming Screws for Thermoplastic
System of Measurement :
 Metric
Material :
 Stainless Steel Class A2
 
Specifications :
 EJOT® PT®-Alternative