Shop The Best Fast Drill Black Gypsum Screws From A Trusted Factory

This product has longer threads and is easier to install. It is often used in heavy-duty installations. To obtain a reliable and huge tightening force, it is necessary to ensure that the clamp ring fixed on the gecko is fully expanded. And the expansion clamp must not fall off the rod or twist or deform in the hole. The calibrated tensile force values are all tested under the conditions of cement strength of 260 ~ 300 kgs/cm2, and the maximum value of the safety load must not exceed 25% of the calibrated value.Carbon steelSuitable for concrete and dense natural stone, metal structures, metal profiles, floor plates, support plates, brackets, railings, windows, curtain walls, machines, beams, beams, brackets, etc.

Size	Drill hole	Length range	Design drawing force	Ultimate frawing force	Dseign shear force	Ultimate shear force
M6	6	40-120	5	9.7	--	--
M8	8	50-220	8	16	6	9
M10	10	60-250	12	24	8	14
M12	12	70-400	18	33	18	29
M14	14	80-200	20	44	22	37
M16	16	80-300	22	51.8	26	45
M18	18	100-300	28	58	28	57
M20	20	100-400	35	70	31	62
M24	24	12-400	50	113	45	88
1/4	1/4 (6.35mm)	45-200	5	9.7	--	--
5/16	5/16 (8mm)	50-220	8	16	6	9
3/8	3/8 (10mm)	60-250	12	24	8	14
1/2	1/2 (12.7mm)	70-400	18	33	18	29
5/8	5/8 (16mm)	80-200	20	44	22	37
3/4	3/4 (19.5mm)	80-300	22	51.8	26	45
1"	1" (25.4mm)	100-300	28	58	28	57

A wood screw is a type of fastener designed to join two pieces of wood or other materials together. It is a threaded screw that is designed to be driven into wood using a power tool or manually with a screwdriver. Wood screws come in a variety of sizes, lengths, and head styles, making them a versatile and essential tool for woodworking and DIY projects.Threaded design for easy insertion and holding power Available in a variety of sizes, lengths, and head styles Made from high-quality materials such as stainless steel, brass, or zinc-plated steel for durability and corrosion resistance Sharp point for easy starting and reduced splitting of the wood Coarse or fine threads depending on the type of wood being used

Fast drill black gypsum screw

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