4 mm-L Hex Key (Allen Key), Long Arm, ISO 2936

The 4 mm-L hex key (ISO 2936, long arm) has a long arm of 104 mm and a short arm of 29 mm, 4 mm across flats. Here as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 4 mm-L hex key
• Model id: iso2936-s4-l
• Standard: ISO 2936:2014 · size 4 mm

Files

Part key	Simplified
iso2936-s4-l	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
s	Width across flats	3.95	4	4	3.975	midpoint of min–max	L2
e	Width across corners	4.43		4.53	4.48	midpoint of min–max	L2
l1	Long arm length, standard		74		74	nominal	L2
l1_lim	Long arm length, standard, limits	70		74	72	midpoint of min–max	L2
l1_long	Long arm length, long		104		104	nominal	L2
l1_long_lim	Long arm length, long, limits	100		104	102	midpoint of min–max	L2
l1_xlong	Long arm length, extra-long		144		144	nominal	L2
l1_xlong_lim	Long arm length, extra-long, limits	140		144	142	midpoint of min–max	L2
l2	Short arm length		29		29	nominal	L2
l2_lim	Short arm length, limits	27		29	28	midpoint of min–max	L2

Drawing

As a PDF: CC-ISO2936-SZ-4.pdf.

The 4 mm-L hex key beside the 3 mm-L and the 5 mm-L

The 4 mm-L is number 5, counting from the smallest, of the 7 ISO 2936 hex keys published here, from 1.5 mm-L to 6 mm-L.

• Width across flats (s): 4 mm on the 4 mm-L hex key, against 3 mm on the 3 mm-L and 5 mm on the 5 mm-L.
• Width across corners (e): 4.43 to 4.53 mm on the 4 mm-L hex key, against 3.31 to 3.39 mm on the 3 mm-L and 5.57 to 5.67 mm on the 5 mm-L.
• Long arm length, standard (l1): 74 mm on the 4 mm-L hex key, against 66 mm on the 3 mm-L and 85 mm on the 5 mm-L.
• Long arm length, standard, limits (l1_lim): 70 to 74 mm on the 4 mm-L hex key, against 62 to 66 mm on the 3 mm-L and 81 to 85 mm on the 5 mm-L.
• Long arm length, long (l1_long): 104 mm on the 4 mm-L hex key, against 93 mm on the 3 mm-L and 120 mm on the 5 mm-L.
• Long arm length, long, limits (l1_long_lim): 100 to 104 mm on the 4 mm-L hex key, against 89 to 93 mm on the 3 mm-L and 116 to 120 mm on the 5 mm-L.
• Long arm length, extra-long (l1_xlong): 144 mm on the 4 mm-L hex key, against 129 mm on the 3 mm-L and 165 mm on the 5 mm-L.
• Long arm length, extra-long, limits (l1_xlong_lim): 140 to 144 mm on the 4 mm-L hex key, against 125 to 129 mm on the 3 mm-L and 161 to 165 mm on the 5 mm-L.

The 4 mm-L hex key in its other versions

• 4 mm Hex Key (Allen Key), ISO 2936, with the same values.
• 4 mm-XL Hex Key (Allen Key), Extra-long Arm, ISO 2936, with the same values.

Other sizes

• One size smaller: 3 mm-L Hex Key (Allen Key), Long Arm, ISO 2936, 3 mm across flats, arms 93 mm and 23 mm.
• One size larger: 5 mm-L Hex Key (Allen Key), Long Arm, ISO 2936, 5 mm across flats, arms 120 mm and 33 mm.

Documents

• CC-ISO2936-DS-4.pdf: 4 datasheet: values with levels, sources
• CC-ISO2936-SZ-4.pdf: 4 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

amesweb-iso2936, fasten-it-iso2936, iso2936-2014-sample. Full citations: the method page and this size's datasheet.

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