McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

3/8"-16

	Material Material	Show

Lead

	Material Material	Hide

	Anchor Type Anchor Type

	Plug

	For Use In For Use In

Block

Brick

Concrete

	For Screw Size For Screw Size

	Drill Bit Size Drill Bit Size

1/4"

5/16"

3/8"

	Length Length

3/4"

1 1/2"

	Removable Removable

Permanent

	Specifications Met Specifications Met

MIL-A-52425-1

MIL-A-52425-2

	Shear Strength Shear Strength

Not Rated

	Drill Bit Decimal Size Equivalent Drill Bit Decimal Size Equivalent

0.25"

0.3125"

0.375"

	Pull-Out Strength Pull-Out Strength

Less than 1,000 lbs.

	Adapts From Adapts From

Side Terminal

	Adapts To Adapts To

	For Terminal Polarity For Terminal Polarity

Metal Anchors for Block and Brick

These anchors expand and distort when a screw is inserted to reinforce the hole and resist stripping. To install, drill a hole slightly deeper than the anchor is long and insert the anchor until it's flush with the surface. Then, thread a sheet metal or wood screw through your fixture and into the anchor. To determine screw length, add the anchor length to the fixture thickness and choose a screw longer than this. Pull-out strength values are 25% of the ultimate values.

For technical drawings and 3-D models, click on a part number.

			Strength, lbs.
For Screw Size	Lg.	Drill Bit Size	Pull-Out	Shear	Tested In	For Use In	Pkg. Qty.		Pkg.
Lead
No. 6, No. 7, No. 8	3/4"	1/4"	60	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	25	000000000	00000
No. 6, No. 7, No. 8	1"	1/4"	60	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	25	000000000	0000
No. 6, No. 7, No. 8	1 1/2"	1/4"	100	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	25	000000000	00000
No. 10, No. 12, No. 14	1"	5/16"	150	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	25	000000000	00000
No. 10, No. 12, No. 14	1 1/2"	5/16"	200	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	10	000000000	0000
No. 16, No. 17, No. 18	1 1/2"	3/8"	250	Not Rated	4,000 psi Concrete	Block, Brick, Concrete	10	000000000	00000

Battery Terminal Adapters

Convert one battery terminal style to another.

Side Terminal × Post Terminal

For Terminal Polarity	Thread Size	Thread Lg.	Material	Stud Material		Pair
Negative/Positive	3/8"-16	5/16"	Lead	Steel	0000000	00000

Stud Terminal × Post Terminal

For Terminal Polarity	Thread Size	Material		Pair
Negative/Positive	3/8"-16	Lead	0000000	00000

Top Post Terminal × Double Top Post Terminal

For Terminal Polarity	Color	Thread Size	Thread Lg.	Includes	Specifications Met	Material		Each
Negative	Black	3/8"-16	1 1/4"	Zinc-Plated Steel Nuts and Bolts	MIL-A-52425-1, MIL-A-52425-2	Lead	000000	00000
Positive	Red	3/8"-16	1 1/4"	Zinc-Plated Steel Nuts and Bolts	MIL-A-52425-1, MIL-A-52425-2	Lead	000000	0000

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