Round rod spacers / material selectable / treatment selectable / double-sided internal thread / spanner flat (Part Numbers - CAD Download)

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Back to the Category Distance elements (hexagonal, square, cylindrical)

Technical Drawing - Hexagonal Rods

Circular Posts/Both Ends Tapped With Standard Wrench Flat/Standard L Dimension:Related Image

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Hexagonal Rods

Type					Material	Surface Treatment
L Dimension Selectable	L Dimension Configurable
L Dimension Selectable	Standard	Wrench Flats	Thread Dia. Configurable	Thread Dia. Configurable, Wrench Flats
-	NETRF	NETRS	NETF	NETS	*EN 1.0038 Equiv.	-
ETKR	ETKRF	ETKRS	ETKF	ETKS		Black Oxide
PETR	PETRF	PETRS	PETF	PETS		Electroless Nickel Plating
-	BETRF	BETRS	-	BETS		Trivalent Chromate (Black)
SETR	SETRF	SETRS	SETF	SETS	EN 1.4301 Equiv.	-
-	AETRF	AETRS	AETTF	AETTS	EN AW-2017-T4 Equiv.	Clear Anodize

*C0.2~0.5 at the corner
*For L dimension selectable products, steel for general structure is used.

Further specifications can be found under the tab More information.

Composition of a Product Code - Hexagonal Rods

Part Number	-	L	-	SC	-	M	-	N
ETKR10 ETKRF10 ETKF20 SETS25	- - - -	150 150 400 500	-	SC100	- -	M8 M10	- -	N10 N12

Alterations - Hexagonal Rods

General Information - Hexagonal Rods

Spacer product assortment - square spacer - round spacer bolt - plastic spacer - hexagonal spacer - hexagonal spacer with centering pin

Selection details of spacers/spacers (hexagonal, square, cylindrical)

- Material: aluminum, steel, stainless steel, PMMA, PEEK

- Coatings: uncoated, burnished, chemically nickel-plated, anodized, chromated

- Basic shapes: hexagon, square, round

- End forms: straight, female thread, male thread, female thread with centering pin

- Outer diameter (round): 4 to 50 mm

- Spanner flat (hexagon, square): 4 to 32 mm

- Length: 5 to 800 mm

- Threads: M2 to M24

Description/Basics

Spacers are generally used as spacing connections. Due to their diversity, the wide range of design concepts can be realized with spacer bolts and practically every application can be realized using the appropriate spacer bolt.
The design and assembly of thin plates makes it extremely difficult to work with counterbores or internal threads. Therefore, spacer bolts are often used on plates, sheet metal or printed circuit boards (PCB).

The selectable assembly threads, the individually configurable length of the spacers, and the selectable length tolerance via the [LKC] option offer great design freedom compared to conventional mass-produced products. This advantage is particularly important if, for example, plates of different thicknesses or particularly thin plates are utilized.
For applications with particularly high positioning requirements, it is recommended to combine shim rings with a spacer. These can be configured in thicknesses from 0.01 to 1 mm and integrated as an additional compensating element.

The assembly of hexagonal spacers is particularly easy with the hex, since they can be held against one another with an open-ended spanner. With round spacer bolts, this can be realized with a spanner flat. The spacer bolts are also available with one-sided or two-sided internal thread (long nut). For precise positioning of a spacer bolt with an internal thread or external thread, MISUMI also offers a centering pin in the ISO tolerance h7.
This variety enables virtually barrier-free assembly of the components to be joined with screws, internal threads and external threads or nuts.

Application Examples - Hexagonal Rods

Application example: spacer - spacer bolt with external thread on both sides - spacer with mounting plate

Application example: spacer bolt with external thread
(1) Spacer bolts with external thread on both sides, (2) mounting plate, (3) nut

Application example spacer - spacer with two-sided internal thread - spacer with mounting plate

Application example: spacer bolts with internal thread
(1) Spacer with internal thread on both sides, (2) mounting plate, (3) screw

Application example: spacer - spacer with internal thread and external thread - spacer with centering pin - spacer with mounting plate

Application example: spacer with tappet
(1) Distance bolts with centering pin, (2) mounting plate, (3) nut, (4) screw

Application example spacer - spacer with inner thread and external thread - spacer with mounting plate

Application example: threaded spacer pin
(1) spacer bolts with internal thread and external thread, (2) mounting plate, (3) nut, (4) screw

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
SETS12-[25-400/0.5]-SC[0-390/1]-M[5,6,8]-N[5,6,8]
SETS15-[30-500/0.5]-SC[0-490/1]-M[6,8,10]-N[6,8,10]
SETS20-[40-500/0.5]-SC[0-490/1]-M[6,8,10,12]-N[6,8,10,12]
SETS25-[50-600/0.5]-SC[0-590/1]-M[6,8,10,12,16]-N[6,8,10,12,16]
SETS30-[60-700/0.5]-SC[0-685/1]-M[6,8,10,12,16,20]-N[6,8,10,12,16,20]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	O.D. D (φ)	Length L (mm)	Material	Surface Treatment	Thread Dia. M (mm)	Screw Dia. N (mm)	Distance to Wrench Slot S [SC] (mm)
-	1	4 Days	10	12	25 ～ 400	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	5 ～ 8	5 ～ 8	0 ～ 390
-	1	4 Days	10	15	30 ～ 500	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	6 ～ 10	6 ～ 10	0 ～ 490
-	1	4 Days	10	20	40 ～ 500	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	6 ～ 12	6 ～ 12	0 ～ 490
-	1	4 Days	10	25	50 ～ 600	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	6 ～ 16	6 ～ 16	0 ～ 590
-	1	4 Days	10	30	60 ～ 700	[Stainless Steel] EN 1.4301 Equiv.	Not Provided	6 ～ 20	6 ～ 20	0 ～ 685

Back to the Category Distance elements (hexagonal, square, cylindrical)

Technical Drawing - Hexagonal Rods

Open the technical drawing in the new window

Specification Tables - Hexagonal Rods

■L Dimension Selectable

Part Number		L Selection																			M (Coarse)	S	W	ℓ₁
Type	D	L Selection																			M (Coarse)	S	W	ℓ₁
General Structural Steel ETKR PETR EN 1.4301 Equiv. SETR	6	15	20	25	30	35	40	45	50												3	3.5	5	8
	8		20	25	30	35	40	45	50	60	70	80	90	100	110	120	130	140	150		4	6	7
	10		20	25	30	35	40	45	50	60	70	80	90	100	110	120	130	140	150	200	5	6	8
	12			25	30	35	40	45	50	60	70	80	90	100	110	120	130	140	150	200	6	7.5	10	10
	15					35	40	45	50	60	70	80	90	100	110	120	130	140	150	200	8	10	13
	20						40	45	50	60	70	80	90	100	110	120	130	140	150	200	10	15	17

■L Dimension Configurable / L Dimension Configurable, Wrench Flats

Part Number			L 0.5mm Increment	SC 1 mm Increment With Wrench Flats Only	M (Coarse)	W	ℓ₁
Type		D	L 0.5mm Increment	SC 1 mm Increment With Wrench Flats Only	M (Coarse)	W	ℓ₁
L Dimension Configurable EN 1.0038 Equiv. NETRF ETKRF PETRF BETRF EN 1.4301 Equiv. SETRF EN AW-2017-T4 Equiv. AETRF	L Dimension Configurable, Wrench Flats EN 1.0038 Equiv. NETRS ETKRS PETRS BETRS EN 1.4301 Equiv. SETRS EN AW-2017-T4 Equiv. AETRS	*1 5	8~50	0~42	2.6	4	8
		6	8~50	0~42	3	5
		8	10~150	0~142	4	7
		10	15~350	0~342	5	8
		12	25~400	0~390	6	10	10
		15	25~500	0~490	8	13
		20	30~500	0~490	10	17
		25	40~600	0~590	12	22
		30	50~700	0~685	16	27	15
		*2 35	50~800	0~785	16	30	15
		*2 40	60~900	0~880	20	36	20
		*2 50	75~1000	0~980	24	41	20

*1. D=5 is not available for EN AW-2017-T4 Equiv. material. When L≤Mx4, tapped hole goes through. When L≤(Mx2+5)+(Nx2+5), the pilot hole may go through.
*2. D≥35 is applicable only to N□ □ □ □, E□ □ □ □ and P□ □ □ □.

■Thread Diameter Configurable / Thread Diameter Configurable, Wrench Flats

Part Number			L 0.5mm Increment	SC 1 mm Increment With Wrench Flats Only	M / N (Coarse) Selection											W	ℓ₁
Type		D	L 0.5mm Increment	SC 1 mm Increment With Wrench Flats Only	M / N (Coarse) Selection											W	ℓ₁
Thread Dia. Configurable EN 1.0038 Equiv. NETF ETKF PETF EN 1.4301 Equiv. SETF EN AW-2017-T4 Equiv. AETTF	Thread Dia. Configurable, Wrench Flats EN 1.0038 Equiv. NETS ETKS PETS BETS EN 1.4301 Equiv. SETS EN AW-2017-T4 Equiv. AETTS	*1 5	15~50	0~42	2.6	3										4	8
		6	15~50	0~42		3	4									5
		8	15~150	0~142		3	4	5								7
		10	20~350	0~342			4	5	6							8
		12	25~400	0~390				5	6	8						10	10
		15	30~500	0~490					6	8	10					13
		20	40~500	0~490					6	8	10	12				17
		25	50~600	0~590					6	8	10	12	16			22
		30	60~700	0~685					6	8	10	12	16	20		27	15
		*2 35	75~800	0~785						8	10	12	16	20	24	30	15
		*2 40	75~900	0~880							10	12	16	20	24	36	20
		*2 50	75~1000	0~980								12	16	20	24	41	20

*1. D=5 is not available for EN AW-2017-T4 Equiv. material. L≥Mx2+Nx2 When SC≤Mx3, W-M≥2 is needed. When L-SC≤Nx3, W-N≥2 is needed.
*2. D≥35 is applicable only to N□ □ □ □, E□ □ □ □ and P□ □ □ □.
L Dimension Tolerance
L 8~ 300 ±0.1
L300.5~ 600 ±0.3
L600.5~1000 ±0.4

However, when L≤200, and when order volume at one time is less than 10 pcs., since the processing is done simultaneously, the difference of L dimension is within ±0.02.
Except L Dimension Selectable

Alterations - Hexagonal Rods

Circular Posts/Both Ends Tapped With Standard Wrench Flat/Standard L Dimension:Related Image

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Basic information

Scale	W/o Scale	Pilot (Concave-Convex at End)	Not Provided

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Basic Attributes

O.D. D(φ)
5

6

8

10

12

15

20

25

30

35

40

50
Clear
Length L(mm)
200
[8-800/0.1mm Unit(s)][60-150/10mm Unit(s)][15-50/5mm Unit(s)][8-1000/0.5mm Unit(s)]
Clear
Material
- Steel
  - EN 1.0038 Equiv.
- Stainless Steel
  - EN 1.4301 Equiv.
- Aluminum
  - EN AW-2017-T4 Equiv.
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Clear Anodized Aluminum
- Trivalent Chromate (Black)
Clear
Thread Dia. M(mm)
2.6

3

4

5

6

8

10

12

16

20

24
Clear
Screw Dia. N(mm)
2.6

3

4

5

6

8

10

12

16

20

24
Clear
Distance to Wrench Slot S [SC](mm)
3.5

6

7.5

10

15
[0-785/0.5mm Unit(s)][0-980/1mm Unit(s)]
Clear
Type
- AETRF
- AETRS
- AETTF
- AETTS
- BETRF
- BETRS
- BETS
- ETKF
- ETKR
- ETKRF
- ETKRS
- ETKS
- NETF
- NETRF
- NETRS
- NETS
- PETF
- PETR
- PETRF
- PETRS
- PETS
- SETF
- SETR
- SETRF
- SETRS
- SETS
Clear
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
Do you also have hollow spacers?: Answer:
Spacers or spacer bolts are generally made of solid material. However, if a hollow spacer is required, MISUMI also offers spacer sleeves. These are configurable like the spacers and can be adapted to the required dimensions. For precise distance, we recommend selecting simultaneous grinding spacer sleeves.
Question:
Are the spacers stainless?: Answer:
The spacers and spacer bolts can be selected in stainless steel and in steel with surface coating. To select the coating, the spacers are available in burnished, chemically nickel-plated, clear anodized, chromated. Thus, depending on the application, the spacer bolts are protected against corrosion.
Question:
Do you have spacer bolts with an undercut?: Answer:
MISUMI offers an additional option [FC] the spacer bolts for an undercut. With this option, a cutout is added to the external thread of the spacer bolt. The dimensions of the cutout can be found in the overview as a PDF.