详细规格及用途描述
Self Drillign Screw,
Light/medium/ heavy duty steel to steel application
Hex Washer Head with bonded washer
Hex Washer Head with EPDM and steel washer
Hex Washer Head
Flat Head
Truss Head
Pan Head
For more detail please visit PATTA E-Commerce website at www.pattab2b.com