Base Studs | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Pitch Thread Pitch

	Length Length

	Material Material

Stainless Steel

Steel

	Base Diameter Base Diameter

	Hole Diameter Hole Diameter

	Thread Spacing Thread Spacing

Coarse

Fine

	Thread Fit Thread Fit

Class 2A

Class 6g

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

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About Threaded Studs and Rods

316 stainless steel studs have excellent resistance to chemicals and salt water and may be mildly magnetic. Large holes allow adhesive to flow through the base for a secure hold.

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

316 Stainless Steel
Lg.	Base Dia.	Hole Dia.	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
8-32
3/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	000000
3/8"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
10-32
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
1/4"-20
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	0000
2"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
2 1/2"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
3"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
5/16"-18
5/8"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	0000
3/4"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	0000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
1"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
1 1/2"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
2"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
2 1/2"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000
3"	29/32"	0.197"	Not Rated	Not Rated	5	000000000	00000
3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	5	000000000	00000

Metric 316 Stainless Steel
Lg., mm	Thread Pitch, mm	Base Dia., mm	Hole Dia., mm	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
M4
10	0.7	23	5	Not Rated	Not Rated	10	000000000	000000
10	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
12	0.7	23	5	Not Rated	Not Rated	10	000000000	00000
12	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
16	0.7	23	5	Not Rated	Not Rated	10	000000000	00000
16	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
20	0.7	23	5	Not Rated	Not Rated	10	000000000	00000
20	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
25	0.7	23	5	Not Rated	Not Rated	10	000000000	00000
25	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
M5
12	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
12	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
16	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
16	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
20	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
20	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
25	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
25	0.8	38	4, 5	Not Rated	Not Rated	5	000000000	0000
30	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
30	0.8	38	4, 5	Not Rated	Not Rated	5	000000000	00000
M6
12	1	23	5	Not Rated	Not Rated	10	000000000	00000
12	1	38	4, 5	Not Rated	Not Rated	10	000000000	00000
16	1	23	5	Not Rated	Not Rated	10	000000000	00000
16	1	38	4, 5	Not Rated	Not Rated	5	000000000	0000
20	1	23	5	Not Rated	Not Rated	5	000000000	0000
20	1	38	4, 5	Not Rated	Not Rated	5	000000000	00000
25	1	23	5	Not Rated	Not Rated	5	000000000	00000
25	1	38	4, 5	Not Rated	Not Rated	5	000000000	00000
30	1	23	5	Not Rated	Not Rated	5	000000000	00000
30	1	38	4, 5	Not Rated	Not Rated	5	000000000	00000
40	1	23	5	Not Rated	Not Rated	5	000000000	00000
40	1	38	4, 5	Not Rated	Not Rated	5	000000000	00000
M8
16	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
16	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
20	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
20	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
25	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
25	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
30	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
30	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
40	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
40	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
50	1.25	23	5	Not Rated	Not Rated	5	000000000	00000
50	1.25	38	4, 5	Not Rated	Not Rated	5	000000000	00000
M10
25	1.5	23	5	Not Rated	Not Rated	5	000000000	00000
25	1.5	38	4, 5	Not Rated	Not Rated	5	000000000	00000
40	1.5	23	5	Not Rated	Not Rated	5	000000000	00000
40	1.5	38	4, 5	Not Rated	Not Rated	5	000000000	00000
50	1.5	23	5	Not Rated	Not Rated	5	000000000	00000
50	1.5	38	4, 5	Not Rated	Not Rated	5	000000000	00000

Steel Adhesive-Mount Studs

These steel studs are zinc plated to resist corrosion in wet environments. Large holes allow adhesive to flow through the base for a secure hold.

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

Zinc-Plated Steel
Lg.	Base Dia.	Hole Dia.	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
8-32
3/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/8"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
10-32
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1/4"-20
1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	0000
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
3"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
5/16"-18
5/8"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	0000
3/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3/4"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/4"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
1 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
2 1/2"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
2 1/2"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000
3"	29/32"	0.197"	Not Rated	Not Rated	10	000000000	00000
3"	1 1/2"	0.157", 0.197"	Not Rated	Not Rated	10	000000000	00000

Metric Zinc-Plated Steel
Lg., mm	Thread Pitch, mm	Base Dia., mm	Hole Dia., mm	Tensile Strength	Hardness	Pkg. Qty.		Pkg.
M4
10	0.7	23	5	Not Rated	Not Rated	10	000000000	00000
10	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	0000
12	0.7	23	5	Not Rated	Not Rated	10	000000000	0000
12	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	0000
16	0.7	23	5	Not Rated	Not Rated	10	000000000	0000
16	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	0000
20	0.7	23	5	Not Rated	Not Rated	10	000000000	0000
20	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	0000
25	0.7	23	5	Not Rated	Not Rated	10	000000000	0000
25	0.7	38	4, 5	Not Rated	Not Rated	10	000000000	00000
M5
12	0.8	23	5	Not Rated	Not Rated	10	000000000	0000
12	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	0000
16	0.8	23	5	Not Rated	Not Rated	10	000000000	0000
16	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	0000
20	0.8	23	5	Not Rated	Not Rated	10	000000000	0000
20	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
25	0.8	23	5	Not Rated	Not Rated	10	000000000	0000
25	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
30	0.8	23	5	Not Rated	Not Rated	10	000000000	00000
30	0.8	38	4, 5	Not Rated	Not Rated	10	000000000	00000
M6
12	1	23	5	Not Rated	Not Rated	10	000000000	0000
12	1	38	4, 5	Not Rated	Not Rated	10	000000000	0000
16	1	23	5	Not Rated	Not Rated	10	000000000	0000
16	1	38	4, 5	Not Rated	Not Rated	10	000000000	0000
20	1	23	5	Not Rated	Not Rated	10	000000000	0000
20	1	38	4, 5	Not Rated	Not Rated	10	000000000	00000
25	1	23	5	Not Rated	Not Rated	10	000000000	0000
25	1	38	4, 5	Not Rated	Not Rated	10	000000000	00000
30	1	23	5	Not Rated	Not Rated	10	000000000	00000
30	1	38	4, 5	Not Rated	Not Rated	10	000000000	00000
40	1	23	5	Not Rated	Not Rated	10	000000000	00000
40	1	38	4, 5	Not Rated	Not Rated	10	000000000	00000
M8
16	1.25	23	5	Not Rated	Not Rated	10	000000000	0000
16	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
20	1.25	23	5	Not Rated	Not Rated	10	000000000	00000
20	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
25	1.25	23	5	Not Rated	Not Rated	10	000000000	00000
25	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
30	1.25	23	5	Not Rated	Not Rated	10	000000000	00000
30	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
40	1.25	23	5	Not Rated	Not Rated	10	000000000	00000
40	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
50	1.25	23	5	Not Rated	Not Rated	10	000000000	00000
50	1.25	38	4, 5	Not Rated	Not Rated	10	000000000	00000
M10
25	1.5	23	5	Not Rated	Not Rated	10	000000000	00000
25	1.5	38	4, 5	Not Rated	Not Rated	10	000000000	00000
40	1.5	23	5	Not Rated	Not Rated	10	000000000	00000
40	1.5	38	4, 5	Not Rated	Not Rated	10	000000000	00000
50	1.5	23	5	Not Rated	Not Rated	10	000000000	00000
50	1.5	38	4, 5	Not Rated	Not Rated	10	000000000	00000
65	1.5	23	5	Not Rated	Not Rated	10	000000000	00000
65	1.5	38	4, 5	Not Rated	Not Rated	5	000000000	00000
75	1.5	23	5	Not Rated	Not Rated	5	000000000	0000
75	1.5	38	4, 5	Not Rated	Not Rated	5	000000000	00000

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About Threaded Studs and Rods

Stainless Steel Adhesive-Mount Studs

Steel Adhesive-Mount Studs