The round type post has rusted, how can we avoid rusting?

If there are anti-rust requirements, choose products made of stainless steel or those with surface treatment of electroless nickel plating, otherwise you need to apply anti-rust oil regularly to prevent rusting.

Thread fracture occurs when the round type post is fastened, how to avoid thread fracture?

When tightening the round type post, do it within the torque range, otherwise excessive torque will cause thread fracture.

How should round type posts be fastened?

Round type posts can be fastened by machining wrench flatted, and the position of wrench flatted can be freely specified, so as to adapt to different installation environments.

When multiple posts are used for supporting, there are high requirements on the length of post in order to ensure parallelism. How to select the model?

When there are high requirements on length tolerance, it is recommended to use LKC alteration to improve the accuracy. In case of L=8~300, the length tolerance is ±0.05; In case of L=300.5~600, the length tolerance is ±0.1; In case of L=600.5 to 1000, the length tolerance is ±0.15.

Please note that the MISUMI Pune office and warehouse will be closed on November 20th due to the state election.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Part number has not been determine

(23 Part Numbers Available)

Configure Remaining Specifications

Part Number Complete

C-PETR6-20

Outer Dia. D Length L Shaft End Thread Size (Left) Shaft End Thread Size (Right) type CAD Days to Ship

Specification/Dimensions

Outer Dia. D(Ø)
6

8

10

12
Clear
Length L(mm)
20

30

40

50

60

80

100

150

200
Clear
Shaft End Thread Size (Left)(mm)
- M3 (Tapped)
- M4 (Tapped)
- M5 (Tapped)
- M6 (Tapped)
Clear
Shaft End Thread Size (Right)(mm)
- M3 (Tapped)
- M4 (Tapped)
- M5 (Tapped)
- M6 (Tapped)
Clear
type
- C-PETR
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

11 Day(s) or Less
Clear

Specify Alterations

Round Posts Both Ends Tapped

Volume Discount

Check FAQ of this product (4 items)

Brand :

MiSUMi Economy

Part Number :

C-PETR6-20

C-PETR6-30

C-PETR6-40

C-PETR6-50

C-PETR8-30

C-PETR8-40

C-PETR8-50

C-PETR8-60

C-PETR8-80

C-PETR10-30

C-PETR10-40

C-PETR10-50

C-PETR10-60

C-PETR10-80

C-PETR10-100

C-PETR10-150

C-PETR12-40

C-PETR12-50

C-PETR12-60

C-PETR12-80

C-PETR6-20

Order Qty :
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

Economy Round Posts Both Ends Tapped

Nickel-Plated Rust Resistant Durable

- Round Posts for a range of diameters and lengths.

- Enhanced Durability: Electrolytic Nickel Plating for Superior Rust Resistance.

- Available in various lengths and thread sizes to fit your needs.

- High-quality steel posts at economy prices.

- Features flat groove for secure wrench fastening.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview of Hexagonal Posts

Hexagonal Posts, Round post is a common processing component, with the functions of connection, fastening, support, separation and so on, mainly used in various fastening and supporting mechanisms.
At the same time, there are a variety of materials to choose from, allowing it to be widely used in automation, electronics and electrical appliances, medical treatment, communication and other fields.

Product Feature of Hexagonal Posts

Feature of Hexagonal Posts 1: the length and thread of the round post can be freely specified to accommodate different operating environments.
Feature of Hexagonal Posts 2: a variety of materials to choose from: general structural steel, stainless steel, aluminum, brass, resin, etc.
Feature of Hexagonal Posts 3: a wide range of surface treatments are available to meet the requirements of various industries: ferroferric oxide protective film (blackening treatment), electroless nickel plating, chromate (black), anodize (black, white), etc.
Feature of Hexagonal Posts 4: products with surface treatment (electroless nickel plating) and material (stainless steel SUS304) for good anti-rust performance are widely used in precision equipment and dust-free environment.
Feature of Hexagonal Posts 5: with the main functions of connection, fastening, support and separation, it is often used in mechanisms with various frames as a connection and support component.

Dimensional Drawing of Hexagonal Posts

MISUMI economic type round posts imported from Japan Both Ends Tapped Japanese Quality

Specifications Overview of Hexagonal Posts

Type of Hexagonal Posts	Material	Surface Treatment	D (mm)	L (mm)
C-PETR	Structural steel or SUM material are generally used	Nickel plating	6~12	20~100

This product of Hexagonal Posts is not RoHS compliant

Taps may not have been surface treated internally.
Hexagonal Posts

The surface of the product is barrel plated, so the appearance may have some bumps and bruises.
Hexagonal Posts

The thread specifications only ensure the actual matching accuracy of screws and nuts.

Usage Method of Hexagonal Posts

Intended Use of Hexagonal Posts	Support and fixing	Fastening and connection	Separation
Usage Method Diagram of Hexagonal Posts
Features of Hexagonal Posts	- Hexagonal Posts It can bear large load in vertical direction - ±0.05mm can be selected as the minimum tolerance of length specification, which ensures the stability of the mechanism	- Simple and aesthetic connection	- Connected to the baffle to effectively block the mechanism in operation and prevent interference - Easy to fasten and install in narrow spaces

Example Use of Hexagonal Posts

Factory direct selling Economy MISUMI round post Both ends tapped

Equipment name: Pull-in conveyor
Function description of Hexagonal Posts:
The pull-in conveyor is a space-saving type non-driving conveyor
Function: With the collaboration of the pull-in mechanism and the roller bar, the conveying function can be achieved without driving equipment, and the detection is performed with a proximity sensor, thus improving the operation efficiency of the equipment, suitable for narrow spaces with no room at the bottom and difficult for hands to reach in.

Function of Hexagonal Posts in the mechanism
① Hexagonal Posts, Round post is used as a fastening connector in the mechanism to support the weight of all workpieces on the upper part and increase the stability of the mechanism.
② Because the mechanism is often used in narrow space, the fastening method of round post is very simple and convenient, thus facilitating the installation and maintenance of equipment.

Precautions of Hexagonal Posts

① Fastening method of Hexagonal Posts
The post is generally fastened by torque method. For bolts, fasten them within the range of fastening torque, otherwise excessive torque will cause thread fracture.
② Anti-rust specification selection and maintenance of Hexagonal Posts.
If there are requirements for anti-corrosion performance, select products with surface treatment of electroless nickel plating or those made of stainless steel (SUS304) when choosing general structural steel products.
General structural steel posts without surface treatment are recommended to be stored in a constant-temperature and dry environment, and regularly applied with anti-rust oil for maintenance.

Application Industries of Hexagonal Posts

Medical of Hexagonal Posts	Semiconductor of Hexagonal Posts	Electronic & Electrical Appliances of Hexagonal Posts

Smart phone of Hexagonal Posts	Food of Hexagonal Posts	Automotive of Hexagonal Posts

Dimensional Drawing of Hexagonal Posts

MISUMI global direct selling Economic type round posts both ends tapped complete specifications

Specification Table of Hexagonal Posts

Please order after selecting part number and parameters according to the selection steps

		Part Number (Type of Hexagonal Posts·D)	-	L
		C-PETR12	-	100

■ Material Specifications of Hexagonal Posts

Type of Hexagonal Posts	Material	Surface Treatment
C-PETR	Structural steel or SUM material are generally used	Nickel plating

This product of Hexagonal Posts is not RoHS compliant

Taps may not have been surface treated internally.
Hexagonal Posts

The surface of the product is barrel plated, so the appearance may have some bumps and bruises.
Hexagonal Posts

The thread specifications only ensure the actual matching accuracy of screws and nuts.

Part Number		L									M	S	W	ℓ1
Type	D	(Fixed Size Selection)									(Coarse Thread)	S	W	ℓ1
C-PETR	6	20	30	40	50						3	3.5	5	8
	8		30	40		60	80				4	6	7	8
	10		30		50	60		100	150		5	6	8	8
	12			40		60	80	100	150	200	6	7.5	10	10

Tap of

L≤M×4 is through hole.
When Hexagonal Posts

L≤M×6, the tapped bottom hole may pass through.
Hexagonal Posts

L≥M×2＋N×2

L dimension tolerance is ±0.2

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
C-PETR6-20
C-PETR6-30
C-PETR6-40
C-PETR6-50
C-PETR8-30
C-PETR8-40
C-PETR8-50
C-PETR8-60
C-PETR8-80
C-PETR10-30
C-PETR10-40
C-PETR10-50
C-PETR10-60
C-PETR10-80
C-PETR10-100
C-PETR10-150
C-PETR12-40
C-PETR12-50
C-PETR12-60
C-PETR12-80
C-PETR12-100
C-PETR12-150
C-PETR12-200

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Outer Dia. D (Ø)	Length L (mm)	Shaft End Thread Size (Left) (mm)	Shaft End Thread Size (Right) (mm)	Wrench Flats B (Circular) (mm)
₹ 128.67	1 Piece(s)	Available	Same day	10	6	20	M3 (Tapped)	M3 (Tapped)	5
₹ 52.00	1 Piece(s)	Available	Same day	10	6	30	M3 (Tapped)	M3 (Tapped)	5
₹ 135.25	8 Piece(s)	Available	11 Day(s)	10	6	40	M3 (Tapped)	M3 (Tapped)	5
₹ 138.83	1 Piece(s)	Available	11 Day(s)	10	6	50	M3 (Tapped)	M3 (Tapped)	5
₹ 139.45	8 Piece(s)	Available	11 Day(s)	10	8	30	M4 (Tapped)	M4 (Tapped)	7
₹ 72.00	1 Piece(s)	Available	Same day	10	8	40	M4 (Tapped)	M4 (Tapped)	7
₹ 89.00	1 Piece(s)	Available	Same day	10	8	50	M4 (Tapped)	M4 (Tapped)	7
₹ 90.00	1 Piece(s)	Available	Same day	10	8	60	M4 (Tapped)	M4 (Tapped)	7
₹ 171.47	8 Piece(s)	Available	11 Day(s)	10	8	80	M4 (Tapped)	M4 (Tapped)	7
₹ 126.89	1 Piece(s)	Available	11 Day(s)	10	10	30	M5 (Tapped)	M5 (Tapped)	8
₹ 159.99	8 Piece(s)	Available	11 Day(s)	10	10	40	M5 (Tapped)	M5 (Tapped)	8
₹ 162.75	8 Piece(s)	Available	11 Day(s)	10	10	50	M5 (Tapped)	M5 (Tapped)	8
₹ 162.75	8 Piece(s)	Available	11 Day(s)	10	10	60	M5 (Tapped)	M5 (Tapped)	8
₹ 216.00	8 Piece(s)	Available	11 Day(s)	10	10	80	M5 (Tapped)	M5 (Tapped)	8
₹ 216.00	8 Piece(s)	Available	11 Day(s)	10	10	100	M5 (Tapped)	M5 (Tapped)	8
₹ 277.00	8 Piece(s)	Available	11 Day(s)	10	10	150	M5 (Tapped)	M5 (Tapped)	8
₹ 159.99	8 Piece(s)	Available	11 Day(s)	10	12	40	M6 (Tapped)	M6 (Tapped)	10
₹ 126.00	1 Piece(s)	Available	Same day	10	12	50	M6 (Tapped)	M6 (Tapped)	10
₹ 131.00	1 Piece(s)	Available	Same day	10	12	60	M6 (Tapped)	M6 (Tapped)	10
₹ 229.00	8 Piece(s)	Available	11 Day(s)	10	12	80	M6 (Tapped)	M6 (Tapped)	10
₹ 166.79	1 Piece(s)	Available	Same day	10	12	100	M6 (Tapped)	M6 (Tapped)	10
₹ 229.00	1 Piece(s)	Available	Same day	10	12	150	M6 (Tapped)	M6 (Tapped)	10
₹ 295.00	1 Piece(s)	Available	11 Day(s)	10	12	200	M6 (Tapped)	M6 (Tapped)	10

Basic Information

Type	Circular	End Shape (Left)	Tapped	End Shape (Right)	Tapped
Material	Steel for General Structure	Surface Treatment	Nickel Electroplating	Post Type	Solid
Scale	Without Scale	Pilot (Concave-Convex at End)	Not Provided	Gas Vent Hole	Not Provided
Wrench Flatted	Provided

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

Frequently asked question (FAQ)

Question: The round type post has rusted, how can we avoid rusting?: Answer: If there are anti-rust requirements, choose products made of stainless steel or those with surface treatment of electroless nickel plating, otherwise you need to apply anti-rust oil regularly to prevent rusting.
Question: Thread fracture occurs when the round type post is fastened, how to avoid thread fracture?: Answer: When tightening the round type post, do it within the torque range, otherwise excessive torque will cause thread fracture.
Question: How should round type posts be fastened?: Answer: Round type posts can be fastened by machining wrench flatted, and the position of wrench flatted can be freely specified, so as to adapt to different installation environments.
Question: When multiple posts are used for supporting, there are high requirements on the length of post in order to ensure parallelism. How to select the model?: Answer: When there are high requirements on length tolerance, it is recommended to use LKC alteration to improve the accuracy. In case of
L=8~300, the length tolerance is ±0.05; In case of
L=300.5~600, the length tolerance is ±0.1;
In case of L=600.5 to 1000, the length tolerance is ±0.15.

Check other FAQ (1 items) Hide

(Economy series of Hexagonal Posts) Silicon Rubber, Urethane Molded Bearings Flat, with Threaded Shaft	(Economy series of Hexagonal Posts) Strut Clamps Equal Dia., Perpendicular Configuration/Reversed	(Economy series of Hexagonal Posts) Metal Washers Standard Class T Dimension Selection, T Dimension Configurable

Typical model of Hexagonal Posts: UMSWH3-10	Typical model of Hexagonal Posts: KDST15	Typical model of Hexagonal Posts: WSSM13-6-5
Advantages: high quality, low price, short delivery time	Advantages: full range, high precision and high quality	Advantages: full range of matching shaft products

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