27 mm Drive Screws | McMaster-Carr

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System of Measurement

Thread Size

Length

Thread Pitch

Fastener Strength Grade/Class

Threading

Fastener Head Type

Drive Size

Thread Type

Specifications Met

Socket Head Profile

Drive Style

Head Diameter

Material

Finish

Head Height

Thread Spacing

Tensile Strength

100,000 psi or greater

Thread Direction

Right Hand

Thread Fit

Metric Class 5g6g

Export Control Classification Number (ECCN)

EAR99

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Individual

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

RoHS

Compliant

DFARS Specialty Metals

22 Products

Steel Socket Head Screws

Fully Threaded

Partially Threaded

Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.

Length is measured from under the head.

Black-Oxide Alloy Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Fastener Strength Grade/Class	Pkg. Qty.		Pkg.
Black-Oxide Alloy Steel







				M36 × 4 mm

				60	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A151	000000


				70	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A152	00000
				80	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A893	00000
				90	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A933	00000
				100	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A894	00000
				110	54	36	Fully Threaded	Coarse	170,000	Class 12.9	1	91290A935	00000
				120	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A895	00000
				130	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A938	00000
				140	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A896	00000
				150	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A897	00000
				160	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A898	00000


				180	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A944	00000
				200	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A901	00000
				240	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A956	00000
				300	54	36	Partially Threaded	Coarse	170,000	Class 12.9	1	91290A153	00000

L-Keys

The highest quality L-keys you can buy for tightening and loosening screws. Our L-keys are precision manufactured to tight tolerances for an exact fit.

Alloy Steel—These L-keys handle high torque without bending or breaking, so they’ll last a lifetime.

Short—A short long leg fits into tight spaces where you have less room to swing, making these ideal for confined areas.

Long—The most common option, these L-keys have a balanced length for everyday reach and torque.

Extra Long—Reach deep fasteners with the extra-long leg on these L-keys. Flip them around and grip the long leg with two hands for extra leverage to loosen stubborn screws.

		Length					Each		Package
	Drive Size, mm	Overall	Relative	Long Leg	Short Leg	Finish		Each	Pkg. Qty.		Pkg.
Alloy Steel







				Hex

				27	9 1/2"	Short	9 1/2"	3 7/8"	Blue Painted	5984A36	0000000	—	———	0


				27	10 11/16"	Short	9 5/8"	3 7/8"	Black Oxide	7289A27	00000	5	7289A271	0000000
				27	17 5/16"	Long	16 1/4"	3 7/8"	Black Oxide	6958A37	00000	2	6958A371	000000
				27	24 1/16"	Extra Long	23"	3 7/8"	Black Oxide	7122A753	000000	5	7122A168	000000