84 Pcs M4 M5 M6 Hanger Bolts,Double Sided Screws,Galvanized Dowel Screw Self Tapping Double Ended for Wood Joints(20/30/45/50/60mm)

【Material】 Made of carbon steel plated wIth zinc, sturdy and firm, abrasion resistant, durable. 【6 Sizes】Total 84 pcs hanger bolts, includes 20 pcs M4x20mm metal dowels, 20 pcs M4x30mm metal dowels, 12 pcs M5x30mm metal dowels, 12 pcs M5x45mm metal dowels, 10 pcs M6x50mm metal dowels, 10 pcs M6x60mm metal dowels. 【Easy to Install】Screw in 2 nuts to form single-headed screw. Screw the tip of the bolt into the wooden structure and finally remove the nuts. It is not recommended to drive the hanger bolts directly into the wooden structure with a hammer. 【Wide Application】Widely used in wood furniture, iron furniture, stair posts, wooden guardrails. They are ideal for furniture making, woodworking or other hobbies. 【Satisfaction Guarantee】If you are not satisfied with our products, please feel free to contact us on Amazon for a full refund or replacement service. We will contact you within as soon as possible.