[1 & 4 -20 Assortment Kit]
[1 & 4 -20x17mm]
[1 & 4 -20x25mm]
[1 & 4 -20x15mm]
[1 & 4 -20x10mm]
[1 & 4 -20x20mm]
【Specifications:】 - Thread Type: 1/4"-20 - Package Quantity: 58 Pieces - Color: Color zinc, as picture show - Fit for standard 1/4 20 screws bolts - Type: 1/4-20 Wood Threaded Inserts - Sizes: 1/4"-20 x 12mm/15mm/17mm/20mm/25mm - Material: High Quality Zinc Plated Carbon Steel 【Features:】 - Material:The table top fasteners made of high quality carbon steel, color zinc plated on the surface which have good corrosion resistance in bad environment like high temperature, high hardness and perfect wear resistance, standard internal hex socket, without burr, smooth, non-slip, which can ensure long time using. - Easy to install, threaded Inserts are best for composite materials, soft wood, plywood and hardwood, you can drill a hole by using a 3/8" drill bit, ensure a precise 90 degree angle for inserting the threaded inserts, then you need to screw the inserts into the 3/8" holes by using our hex wrench. - These Nuts Are Strong And Durable, Suitable For Pine, Plywood, Fiberboard And Other Soft Woods; Also Suitable For Solid Wood And Other Hard Woods, With Good Results In The Combination Of Advanced Furniture. 【Package Included:】 1/4"-20 x 12 mm --------15 Pieces 1/4"-20 x 15 mm --------15 Pieces 1/4"-20 x 17 mm --------10 Pieces 1/4"-20 x 20 mm --------10 Pieces 1/4"-20 x 25 mm --------8 Pieces 6mm Hex Wrench --------1 Pieces 【Total Quantity: 58 Pieces 1/4"-20 Threaded Inserts】 【Tips:】 1.We suggest drilling a hole with diameter 9.5 +/- 0.2 mm. 2.If the wood material is with high-hardness, enlarge the screw hole. Note: Warning: small parts, keep away from children and kids.