DIN 571 Wood Screws | McMaster-Carr

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75 Products

Steel Hex Head Wood Screws

Often used on posts and beams, the coarse threads on these screws dig in for a firm hold. The hex head's six contact points keep sockets in place to avoid slipping and stripping the drive. To tighten, use a wrench or six-point hex socket. Also known as lag bolts.

Drill a pilot hole slightly smaller than the screw to prevent splitting. Length is measured from under the head.

Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.

	Lg., mm	Head Ht., mm	Threading	Tapping Method	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel







				M5 × 2.2 mm

				20	3.5	Partially Threaded	Thread Forming	DIN 571	100	97498A111	00000


				25	3.5	Partially Threaded	Thread Forming	DIN 571	100	97498A112	00000
				30	3.5	Partially Threaded	Thread Forming	DIN 571	100	97498A113	00000
				35	3.5	Partially Threaded	Thread Forming	DIN 571	50	97498A114	0000
				40	3.5	Partially Threaded	Thread Forming	DIN 571	50	97498A115	00000
				45	3.5	Partially Threaded	Thread Forming	DIN 571	50	97498A116	0000
				50	3.5	Partially Threaded	Thread Forming	DIN 571	50	97498A117	00000
				60	3.5	Partially Threaded	Thread Forming	DIN 571	50	97498A118	00000




						M6 × 2.6 mm

						20	4	Partially Threaded	Thread Forming	DIN 571	50	97498A119	0000


						25	4	Partially Threaded	Thread Forming	DIN 571	50	97498A121	0000
						30	4	Partially Threaded	Thread Forming	DIN 571	50	97498A122	00000
						35	4	Partially Threaded	Thread Forming	DIN 571	50	97498A123	00000
						40	4	Partially Threaded	Thread Forming	DIN 571	50	97498A124	00000
						45	4	Partially Threaded	Thread Forming	DIN 571	50	97498A125	00000
						50	4	Partially Threaded	Thread Forming	DIN 571	25	97498A126	00000
						55	4	Partially Threaded	Thread Forming	DIN 571	25	97498A127	0000
						60	4	Partially Threaded	Thread Forming	DIN 571	25	97498A128	0000
						70	4	Partially Threaded	Thread Forming	DIN 571	25	97498A129	00000
						80	4	Partially Threaded	Thread Forming	DIN 571	25	97498A131	00000


						90	4	Partially Threaded	Thread Forming	DIN 571	25	97498A132	00000
						100	4	Partially Threaded	Thread Forming	DIN 571	25	97498A133	00000
						120	4	Partially Threaded	Thread Forming	DIN 571	10	97498A134	0000




								M8 × 3.6 mm

								25	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A135	0000


								30	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A136	0000
								35	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A137	0000
								40	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A138	00000
								45	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A139	00000
								50	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A141	00000
								55	5.5	Partially Threaded	Thread Forming	DIN 571	25	97498A142	00000
								60	5.5	Partially Threaded	Thread Forming	DIN 571	10	97498A143	0000
								70	5.5	Partially Threaded	Thread Forming	DIN 571	10	97498A144	0000
								80	5.5	Partially Threaded	Thread Forming	DIN 571	10	97498A145	0000
								90	5.5	Partially Threaded	Thread Forming	DIN 571	10	97498A146	0000


100								5.5	Partially Threaded	Thread Forming	DIN 571	10	97498A147	0000
120	5.5							Partially Threaded	Thread Forming	DIN 571	10	97498A148	00000
130	5.5							Partially Threaded	Thread Forming	DIN 571	10	97498A149	00000
140	5.5							Partially Threaded	Thread Forming	DIN 571	10	97498A151	00000
160	5.5							Partially Threaded	Thread Forming	DIN 571	5	97498A152	0000




		M10 × 4.5 mm

		30	7					Partially Threaded	Thread Forming	DIN 571	10	97498A153	0000


		35	7					Partially Threaded	Thread Forming	DIN 571	10	97498A154	0000
		40	7					Partially Threaded	Thread Forming	DIN 571	10	97498A155	0000
		45	7					Partially Threaded	Thread Forming	DIN 571	10	97498A156	0000
		50	7					Partially Threaded	Thread Forming	DIN 571	10	97498A157	0000
		55	7					Partially Threaded	Thread Forming	DIN 571	10	97498A158	0000
		60	7					Partially Threaded	Thread Forming	DIN 571	10	97498A159	0000
		70	7					Partially Threaded	Thread Forming	DIN 571	10	97498A161	00000
		80	7					Partially Threaded	Thread Forming	DIN 571	10	97498A162	00000
		90	7	Partially Threaded				Thread Forming	DIN 571	10	97498A163	00000
		100	7	Partially Threaded	Thread Forming			DIN 571	10	97498A164	00000


		120	7	Partially Threaded	Thread Forming			DIN 571	5	97498A165	0000
		140	7	Partially Threaded	Thread Forming			DIN 571	5	97498A166	0000
		160	7	Partially Threaded	Thread Forming			DIN 571	5	97498A167	0000
		180	7	Partially Threaded	Thread Forming			DIN 571	5	97498A168	0000
		200	7	Partially Threaded	Thread Forming			DIN 571	1	97498A169	0000




				M12 × 5 mm

				40	8			Partially Threaded	Thread Forming	DIN 571	10	97498A171	00000


				45	8			Partially Threaded	Thread Forming	DIN 571	10	97498A172	0000
				50	8			Partially Threaded	Thread Forming	DIN 571	10	97498A173	00000
				60	8			Partially Threaded	Thread Forming	DIN 571	5	97498A174	0000
				70	8			Partially Threaded	Thread Forming	DIN 571	5	97498A175	0000
				80	8			Partially Threaded	Thread Forming	DIN 571	5	97498A176	0000
				90	8			Partially Threaded	Thread Forming	DIN 571	5	97498A177	0000
				100	8			Partially Threaded	Thread Forming	DIN 571	5	97498A178	00000
				120	8	Partially Threaded		Thread Forming	DIN 571	5	97498A179	00000
				140	8	Partially Threaded	Thread Forming	DIN 571	5	97498A181	00000
				160	8	Partially Threaded	Thread Forming	DIN 571	1	97498A182	0000


				180	8	Partially Threaded	Thread Forming	DIN 571	1	97498A183	0000
				200	8	Partially Threaded	Thread Forming	DIN 571	1	97498A184	0000
				220	8	Partially Threaded	Thread Forming	DIN 571	1	97498A185	0000
				240	8	Partially Threaded	Thread Forming	DIN 571	1	97498A186	0000




						M16 × 6 mm

						60	10	Partially Threaded	Thread Forming	DIN 571	1	97498A187	0000


						70	10	Partially Threaded	Thread Forming	DIN 571	1	97498A188	0000
						80	10	Partially Threaded	Thread Forming	DIN 571	1	97498A189	0000
						90	10	Partially Threaded	Thread Forming	DIN 571	1	97498A191	0000
						100	10	Partially Threaded	Thread Forming	DIN 571	1	97498A192	0000
						120	10	Partially Threaded	Thread Forming	DIN 571	1	97498A193	0000