M6 Thread Lags | McMaster-Carr

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15 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.

	Tapping Method	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel







	M6 × 2.6 mm

	20	4	Partially Threaded	Thread Forming	DIN 571	50	97498A119	00000


	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

Thread-Mount Studs for Wood

Also known as hanger bolts, use these studs to hang, mount, and fasten parts to wood structures. Install them with a stud driver, or create wrench flats by threading two nuts onto the stud and jamming them together.

316 Stainless Steel—Superior to 18-8 stainless steel, these studs won't degrade when exposed to harsh weather, salt water, and most chemicals.

	(A)		(B)
	Screw Size	Thread Lg., mm	Thread Size	Thread Lg., mm	Lg., mm	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
316 Stainless Steel



		M6	37	M6 × 1 mm	30	70	Not Rated	Not Rated	1	98828A200	00000