M27 Shoulder Bolts | McMaster-Carr

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	System of Measurement System of Measurement

Metric

	Shoulder Diameter Shoulder Diameter

30 mm

	Size Size

14 mm

	Shoulder Length Shoulder Length

	Thread Size Thread Size	Show

M27

	Thread Size Thread Size	Hide

	Thread Pitch Thread Pitch

3 mm

	Thread Type Thread Type

Metric

	Material Material

Stainless Steel

	Head Type Head Type

	Socket

	Thread Length Thread Length

35 mm

	Shoulder Fit Shoulder Fit

Standard

	Minimum Shear Strength Minimum Shear Strength

35,000 psi

	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

	Thread Fit Thread Fit

Class 5g6g

	Thread Spacing Thread Spacing

Coarse

	Tensile Strength Tensile Strength

70,000 psi

	Thread Direction Thread Direction

	Right Hand

	Hardness Hardness

Rockwell B79

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

DFARS Specialty Metals
Compliant

	Socket Head Profile Socket Head Profile

	Standard

	Drive Style Drive Style

	Hex

	Head Diameter Head Diameter

45 mm

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About Shoulder Screws

Metric 316 Stainless Steel Shoulder Screws

More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water. They may be mildly magnetic. A standard shoulder with an undersized tolerance allows them to fit most machinery and equipment. They’re often used to guide or align components, and as an axle or pivot point.

Black-oxide stainless steel screws have a matte black finish.

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

Shoulder Screws

										Each
Shoulder Lg., mm	Thread Size	Thread Pitch, mm	Thread Lg., mm	Head Dia., mm	Head Ht., mm	Tensile Strength, psi	Drive Size, mm	Specifications Met		1-4	5-Up
30 mm Shoulder Dia.—Standard Fit (-0.072 to -0.01 mm Dia. Tolerance)
50	M27	3	35	45	20	70,000	14	__	000000000	000000	000000
60	M27	3	35	45	20	70,000	14	__	000000000	00000	00000
80	M27	3	35	45	20	70,000	14	__	000000000	00000	00000
100	M27	3	35	45	20	70,000	14	__	000000000	00000	00000
130	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000
140	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000
150	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000

Shoulder Screws with a Black-Oxide Finish

										Each
Shoulder Lg., mm	Thread Size	Thread Pitch, mm	Thread Lg., mm	Head Dia., mm	Head Ht., mm	Tensile Strength, psi	Drive Size, mm	Specifications Met		1-4	5-Up
30 mm Shoulder Dia.—Standard Fit (-0.072 to -0.01 mm Dia. Tolerance)
50	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000
60	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
70	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
80	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
90	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
100	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
120	M27	3	35	45	20	70,000	14	ISO 7379	000000000	00000	00000
130	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000
140	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000
150	M27	3	35	45	20	70,000	14	ISO 7379	000000000	000000	000000