Uxcell Hex Head Lag Screws Bolts, 5pcs 1/2" x 5" 304 Stainless Steel Wood Screws Wiring & Connecting Greasable pins feature a grease

Greasable pins feature a grease zerk for lubrication

ID x OD: 92 x 108 mm / 3

Speaker sound-absorbing cotton is installed in the speaker to absorb standing waves from the low frequency of the cabinet

Thread Length(+/-3mm): 50mm / 1

Uxcell Hex Head Lag Screws Bolts, 5pcs 1/2" x 5" 304 Stainless Steel Wood Screws Wiring & Connecting Greasable pins feature a grease1. Hex lag screws, also known as lag bolts, are wooden fasteners commonly used in construction projects such as building decks, fences, docks, bridges and other outdoor structures. They are hexagonal in shape with a pointed tip and have coarse threads making them strong and durable. They have a high level of holding power and are resistant to vibration and loosening. 2. Made of 304 stainless steel material, which is corrosion resistant and oxidation