LBY 900pcs M2.3 M2.6 M3 Phillips Truss Head Self Tapping Screws, Wafer Head Screws, Pan Head with Washer Screw 9 Sizes Self Tapping Screws Assortment Kit, Carbon Steel Blacking Black Color:Black This pack includes 3

This pack includes 3

and differential pressure is the difference between two pressures

Comes with an instruction

10 TYPE LOCK NUTS Dual Scales 304 Stainless Steel Lock Nut Assortment 180 Pieces Metric 2mm:20pcs3mm: 55pcs 4mm:25pcs 5mm

LBY 900pcs M2.3 M2.6 M3 Phillips Truss Head Self Tapping Screws, Wafer Head Screws, Pan Head with Washer Screw 9 Sizes Self Tapping Screws Assortment Kit, Carbon Steel Blacking Black Color:Black This pack includes 3LBY 900pcs M2. 3 M2. 6 M3 Phillips Truss Head Self Tapping Screws, Wafer Head Screws, Pan Head with Washer Screw 9 Sizes Self Tapping Screws Assortment Kit, Carbon Steel Blacking LBY 900pcs Washer Truss Head Wood Screw Assortment Kit Product: M2. 3x5(8 12)x6mm M2. 6x5(8 12)x6mm M3x8(12 16)x8mm Material: carbon steel Main Color: black Surface treatment: blacking Material grade: carbon steel 4. 8 grade. Groove shape: cross; Head shape: truss head; Mode