Square rods / stainless steel, steel / burnished, nickel-plated / end forms selectable (Part Numbers - CAD Download)

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

Technical Drawing - Hexagonal Rods

Square Posts - Both Ends Tapped: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
Both Ends Tapped		One End Threaded One End Tapped
L Dimension Configurable	L Dimension, Thread Dia. Configurable	L Dimension Configurable	L Dimension, Thread Dia. Configurable
NLRFB	NLRBF	-	NLRGF	EN 1.0038 Equiv.	-
LRFB	LRBBF	-	LRBGF		Black Oxide
PLRFB	PLRBF	PLRFG	PLRGF		Electroless Nickel Plating
SLRFB	SLRBF	SLRFG	SLRGF	EN 1.4301 Equiv.	-

Further specifications can be found under the tab More information.

Composition of a Product Code - Hexagonal Rods

Part Number		-	L	-	F	-	M	-	N
(Both Ends Tapped, L Dimension Configurable) (Both Ends Tapped, L Dimension & Thread Dia. Configurable) (One End Threaded One End Tapped, L Dimension & Thread Dia. Configurable)	NLRFB10 SLRBF20 PLRGF15	- - -	150 400 350	-	F32	- -	M8 M8	- -	N10 N6

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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Data to be displayed: 30; 45; 60

Part Number
PLRFG20-[40-400/1]
PLRFG25-[50-400/1]
PLRFG30-[60-400/1]
PLRGF8-[10-150/1]-F[8-25/1]-M[4,5]-N[3,4,5]
PLRGF10-[15-300/1]-F[8-30/1]-M[4,5,6]-N[4,5,6]
PLRGF12-[25-400/1]-F[10-40/1]-M[4,5,6,8]-N[4,5,6,8]
PLRGF15-[30-400/1]-F[12-40/1]-M[4,5,6,8,10]-N[4,5,6,8]
PLRGF20-[40-400/1]-F[15-60/1]-M[5,6,8,10,12]-N[5,6,8,10,12]
PLRGF25-[50-400/1]-F[20-80/1]-M[6,8,10,12,16]-N[6,8,10,12,16]
PLRGF30-[60-400/1]-F[25-80/1]-M[8,10,12,16]-N[8,10,12,16]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Wrench Flats B (or D) (mm)	Length L (mm)	Material	Surface Treatment	Thread Dia. M (mm)	Screw Dia. N (mm)	Screw Length F (mm)
-	1	6 Days	10	20	40 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	10	10	-
-	1	6 Days	10	25	50 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	12	12	-
-	1	6 Days	10	30	60 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	16	16	-
-	1	6 Days	10	8	10 ～ 150	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	4 ～ 5	3 ～ 5	8 ～ 25
-	1	6 Days	10	10	15 ～ 300	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	4 ～ 6	4 ～ 6	8 ～ 30
-	1	6 Days	10	12	25 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	4 ～ 8	4 ～ 8	10 ～ 40
-	1	6 Days	10	15	30 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	4 ～ 10	4 ～ 8	12 ～ 40
-	1	6 Days	10	20	40 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	5 ～ 12	5 ～ 12	15 ～ 60
-	1	6 Days	10	25	50 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	6 ～ 16	6 ～ 16	20 ～ 80
-	1	6 Days	10	30	60 ～ 400	[Steel] EN 1.0038 Equiv.	Electroless Nickel Plating	8 ～ 16	8 ～ 16	25 ～ 80

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

Technical Drawing - Hexagonal Rods

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Specification Tables - Hexagonal Rods

L Dimension Tolerance
L 10~300 ±0.1
L301~600 ±0.3
L601~700 ±0.4
However, when L≤200, and when the order volume at one time is less than 10 pcs., the processing is done simultaneously. The difference in L dimension in one order is within ±0.02.

■Both Ends Tapped, L Dimension Configurable / One End Threaded One End Tapped, L Dimension Configurable

Part Number			L 1mm Increment	M (Coarse)
Type		B	L 1mm Increment	M (Coarse)
Both Ends Tapped EN 1.0038 Equiv. NLRFB LRFB PLRFB EN 1.4301 Equiv. SLRFB	One End Threaded One End Tapped EN 1.0038 Equiv. PLRFG EN 1.4301 Equiv. SLRFG	8	10~150	M4
		10	15~300	M5
		12	25~400	M6
		15	30~400	M8
		20	40~400	M10
		25	50~400	M12
		30	60~400	M16

When L≤Mx4, tapped hole goes through. For One End Threaded One End Tapped Type, L ≥Tapped Mx3+2.
When L≤Mx6, the pilot hole may go through.

■Both Ends Tapped, L Dimension & Thread Dia. Configurable

Part Number		L 1mm Increment	M (Coarse) / N (Coarse) Selection
Type	B	L 1mm Increment	M (Coarse) / N (Coarse) Selection
Both Ends Tapped EN 1.0038 Equiv. NLRBF LRBBF PLRBF EN 1.4301 Equiv. SLRBF	8	20~150	3	4	5
	10	20~300		4	5	6
	12	25~400		4	5	6	8
	15	30~400		4	5	6	8
	20	40~400			5	6	8	10	12
	25	50~400				6	8	10	12	16
	30	60~400					8	10	12	16

L≥Mx2+Nx2

■One End Threaded One End Tapped, L Dimension & Thread Dia. Configurable

Part Number		L 1mm Increment	F 1mm Increment	M (Coarse) Selection								N (Coarse) Selection								ℓ
Type	B	L 1mm Increment	F 1mm Increment	M (Coarse) Selection								N (Coarse) Selection								ℓ
One End Threaded One End Tapped EN 1.0038 Equiv. NLRGF LRBGF PLRGF EN 1.4301 Equiv. SLRGF	8	10~150	8~25	4	5							3	4	5						ℓ=F-A (ℓmax=Mx5)
	10	15~300	8~30	4	5	6							4	5	6
	12	25~400	10~40		5	6	8						4	5	6	8
	15	30~400	12~40			6	8	10					4	5	6	8
	20	40~400	15~60					10	12					5	6	8	10	12
	25	50~400	20~80					10	12	16					6	8	10	12	16
	30	60~400	25~80						12	16	20					8	10	12	16

• Min. Value of Incomplete External Thread

M	Amin
4	2
5	3
6	4
8	4
10	5
12	6
16	7
20	9

For One End Threaded One End Tapped Type, L ≥Tapped Nx3+2.

Alterations - Hexagonal Rods

Square Posts - Both Ends Tapped:Related Image

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Basic Attributes

Wrench Flats B (or D)(mm)
8

10

12

15

20

25

30
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Length L(mm)
[10-400/1mm Unit(s)]
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Material
- Steel
  - EN 1.0038 Equiv.
- Stainless Steel
  - EN 1.4301 Equiv.
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Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
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Thread Dia. M(mm)
3

4

5

6

8

10

12

16

20
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Screw Dia. N(mm)
3

4

5

6

8

10

12

16
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Screw Length F(mm)
[8-80/1mm Unit(s)]
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Type
- LRBBF
- LRBGF
- LRFB
- NLRBF
- NLRFB
- NLRGF
- PLRBF
- PLRFB
- PLRFG
- PLRGF
- SLRBF
- SLRFB
- SLRFG
- SLRGF
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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.