LinkMejor 25Pcs #4-40x3/8 Flat Head Socket Cap Screw Countersunk Bolt

APPLICATION:
-This flat-head hex socket screw is widely applicable for furniture assembly, vehicle maintenance, machinery debugging, and other scenarios requiring a flush mounting surface.

ABOUT THIS PRODUCTS/FEATURES:
-The screw head features an internal hexagon combined with a countersunk design. The internal hex socket structure, when paired with a standard hex wrench, efficiently transmits torque, reduces slippage, and enhances installation precision and efficiency.

SPECIFICATION:
Quantity: 25Pcs
Specifications: #4-40 x 3/8"inch
Thread Diameter: #4
Screw Length: 3/8"inch
Thread Pitch: 40PTI
Head Diameter: 0.26inch(6mm)
Hexagon Socket Width (Diagonal Width): 1/16"inch
Material: 304 Stainless Steel
Color: Silver
Surface Treatment: Plain

TAKE NOTICE OF/TIPS:
-For connections subjected to prolonged vibration, a regular inspection schedule should be established to ensure no signs of loosening are present.