What are the main types of bolt materials currently sold by MISUMI?

The bolt materials currently sold by MISUMI mainly include steel, stainless steel, aluminum alloy, titanium alloy, resin, etc.

What are the main types of special bolts currently sold by MISUMI?

The options available include axle pin bolts, eye bolts, protruding head bolts, contour bolts, and low head bolts.

(!) Since support from Microsoft will end on January 14th, 2020, Windows 7 will be excluded from the recommended environment from December 15th, 2019 on this site. Vì lý do Microsoft kết thúc hỗ trợ cho Windows 7 vào ngày 14/01/2020, Windows 7 sẽ là hệ điều hành không được khuyến khích sử dụng với trang web này từ ngày 15/12/2019.

Tel: 0222-361-1555 Email: cs@misumi.com.vn 8:00 - 17:00 (Mon - Sat)

ものづくりの、明日を支える。MISUMI-VONA 生産材コマースものづくりの、明日を支える。MISUMI-VONA 生産材コマース

Webcode Seach | Series: #CODE

Keyword suggestionsTừ khóa gợi ý

Part number suggestionsGợi ý mã sản phẩm

Discontinued Products

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

[Thông báo] Cập nhật địa chỉ kho tập kết hàng hóa tại khu vực miền Nam của MISUMI Việt Nam. Xem chi tiết.
[Announcement] Update on warehouse address in the Southern region of MISUIMI Vietnam. See more. 
[Cảnh Báo] Thủ Đoạn Lừa Đảo Từ Nhân Viên Giao Hàng – Yêu Cầu Trả Phí Ship. Xem chi tiết.
[Warning] Fraud Calling from Shipper - Asking to Pay Shipping Fee. See more.

How can we improve?

How can we improve?

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

ConfigureTạo

Part number has not been determine

(132 Part Numbers Available)

Configure Remaining SpecificationsĐịnh cấu hình các thông số còn lại

Part Number CompleteĐã hoàn thành

E-MSSNR3-10

Length L (mm) Nominal of Thread (M) Material CAD Days to Ship

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Length L (mm)(mm)
10

15

20

25

30

35

40

45

50

60

70

80

90

100

120
ClearTrống
Nominal of Thread (M)
3

4

5

6

8

10

12

16

20
ClearTrống
Material
- Steel
  - SCM435
  - Structural Alloy Steel
ClearTrống
CADCAD
- 2D
- 3D
ClearTrống

Days to ShipSố ngày giao hàng

Alltất cả các

Same day

13 Day(s) or Less

14 Day(s) or Less

22 Day(s) or Less
ClearTrống

Specify AlterationsChỉ định thay đổi

Hex Socket Set Screw, Coarse (Part Number)

Name: Hex Socket Set Screw, Coarse
Brand: MISUMI
Availability: PreOrder

Click this image to zoom it.Nhấp vào hình ảnh này để phóng to.

Move the mouse over or click the image to zoom

Volume Discount

Check FAQ of this product (2 items)

Brand :

MISUMI

MiSUMi Economy

MISUMI

Part Number :

E-MSSNR3-10

E-MSSNR3-15

E-MSSNR3-20

E-MSSNR3-25

E-MSSNR3-30

E-MSSNR3-35

E-MSSNR3-40

E-MSSNR4-10

E-MSSNR4-15

E-MSSNR4-20

E-MSSNR4-25

E-MSSNR4-30

E-MSSNR4-35

E-MSSNR4-40

E-MSSNR4-45

E-MSSNR4-50

E-MSSNR4-60

E-MSSNR5-10

E-MSSNR5-15

E-MSSNR5-20

E-MSSNR3-10

Order Qty :
Price :

---
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

(i)
Caution

thận trọng

**RoHS Compliant is available for some part numbers.
Please contact with MISUMI for detail effective date.

Product Description

Individually sold
· Full thread series
· Coarse
· Materials S45C and SUS304

Product Overview of Hex Socket Set Screws

Product Overview of Hex Socket Set Screws
・The product is a round head Hex Socket Set Screws.
・Available in two materials: steel S45C and stainless steel SUS304.

Product Features of Hex Socket Set Screws

・The product of Hex Socket Set Screws is a headless screw for clamping and tightening.
・ Thread nominal range: M3~M20
・Individually sold on demand

Dimensional Drawing of Hex Socket Set Screws

Adjusting Hex Socket Set Screws	Type	Material	Surface Treatment	Hardness
Fine Thread	E-MSSR	S45C	Trivalent Chromate Treatment	35～42HRC
Fine Thread	E-MSSRS	SUS304	－	－
Coarse Thread	E-MSSNR	S45C	Trivalent Chromate Treatment	35～42HRC
Coarse Thread	E-MSSNRS	SUS304	－	－

Specification Table of Hex Socket Set Screws

■ Dimension Specification Table of Hex Socket Set Screws
*Product customization is available for dimensions not listed in the table of specifications. Only S45C products are available for dimension L with *.

Part Number of Hex Socket Set Screws		L
Type	M	L
(Fine Thread) E-MSSR E-MSSRS (Coarse Thread) E-MSSNR E-MSSNRS	3	10	15	20	25	30	35	40
	4	10	15	20	25	30	35	40	45	50	60
	5	10	15	20	25	30	35	40	45	50	60
	6		15	20	25	30	35	40	45	50	60
	8			20	25	30	35	40	45	50	60
	10				25	30	35	40	45	50	60	70	80	90	100
	12					30	35	40	45	50	60	70	80	90	100
	16							40	45	50	60	70	80	90	100	120*
	20										60	70	80	90	100	120*

Example Use of Hex Socket Set Screws

Mechanism name of Hex Socket Set Screws:
Guide Shaft Press-Fit Fixture

Mechanism function:
Suck the stainless steel guide shaft and press it into resin components.

Role of Hex Socket Set Screws:
Fix the handle.

For details, click here.

Related Industries of Hex Socket Set Screws

Smart Phones	Electronic & Electrical	Lithium battery

Automotive	Robotics	Medical

Part Number

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

Loading...Tải…

: 30; 60; 90

Part Number
E-MSSNR3-10
E-MSSNR3-15
E-MSSNR3-20
E-MSSNR3-25
E-MSSNR3-30
E-MSSNR3-35
E-MSSNR3-40
E-MSSNR4-10
E-MSSNR4-15
E-MSSNR4-20
E-MSSNR4-25
E-MSSNR4-30
E-MSSNR4-35
E-MSSNR4-40
E-MSSNR4-45
E-MSSNR4-50
E-MSSNR4-60
E-MSSNR5-10
E-MSSNR5-15
E-MSSNR5-20
E-MSSNR5-25
E-MSSNR5-30
E-MSSNR5-35
E-MSSNR5-40
E-MSSNR5-45
E-MSSNR5-50
E-MSSNR5-60
E-MSSNR6-15
E-MSSNR6-20
E-MSSNR6-25
E-MSSNR6-30
E-MSSNR6-35
E-MSSNR6-40
E-MSSNR6-45
E-MSSNR6-50
E-MSSNR6-60
E-MSSNR8-20
E-MSSNR8-25
E-MSSNR8-30
E-MSSNR8-35
E-MSSNR8-40
E-MSSNR8-45
E-MSSNR8-50
E-MSSNR8-60
E-MSSNR10-30
E-MSSNR10-35
E-MSSNR10-40
E-MSSNR10-45
E-MSSNR10-50
E-MSSNR10-60
E-MSSNR10-70
E-MSSNR10-80
E-MSSNR10-90
E-MSSNR10-100
E-MSSNR12-30
E-MSSNR12-35
E-MSSNR12-40
E-MSSNR12-45
E-MSSNR12-50
E-MSSNR12-60
E-MSSNR12-70
E-MSSNR12-80
E-MSSNR12-90
E-MSSNR12-100
E-MSSNR16-50
E-MSSNR16-60
E-MSSNR16-70
E-MSSNR16-80
E-MSSNR16-90
E-MSSNR16-100
E-MSSNR16-120
E-MSSNR20-80
E-MSSNR20-90
E-MSSNR20-100
E-MSSNR20-120
E-MSSNRS3-10
E-MSSNRS3-15
E-MSSNRS3-20
E-MSSNRS3-25
E-MSSNRS3-30
E-MSSNRS3-35
E-MSSNRS3-40
E-MSSNRS4-10
E-MSSNRS4-15
E-MSSNRS4-20
E-MSSNRS4-25
E-MSSNRS4-30
E-MSSNRS4-35
E-MSSNRS4-40
E-MSSNRS4-45

Price	Minimum Order Qty.	Volume Discount	Days to ShipSố ngày giao hàng	Length L (mm) (mm)	Nominal of Thread (M)	Material
11,445 VND	20 Piece(s)	Available	13 Day(s)	10	3	[Steel] Structural Alloy Steel
11,445 VND	20 Piece(s)	Available	13 Day(s)	15	3	[Steel] Structural Alloy Steel
11,445 VND	20 Piece(s)	Available	13 Day(s)	20	3	[Steel] Structural Alloy Steel
11,811 VND	20 Piece(s)	Available	13 Day(s)	25	3	[Steel] Structural Alloy Steel
11,811 VND	20 Piece(s)	Available	13 Day(s)	30	3	[Steel] Structural Alloy Steel
12,032 VND	20 Piece(s)	Available	13 Day(s)	35	3	[Steel] Structural Alloy Steel
12,032 VND	20 Piece(s)	Available	13 Day(s)	40	3	[Steel] Structural Alloy Steel
13,498 VND	20 Piece(s)	Available	13 Day(s)	10	4	[Steel] Structural Alloy Steel
13,498 VND	20 Piece(s)	Available	13 Day(s)	15	4	[Steel] Structural Alloy Steel
13,866 VND	20 Piece(s)	Available	13 Day(s)	20	4	[Steel] Structural Alloy Steel
13,866 VND	20 Piece(s)	Available	13 Day(s)	25	4	[Steel] Structural Alloy Steel
13,866 VND	20 Piece(s)	Available	13 Day(s)	30	4	[Steel] Structural Alloy Steel
13,866 VND	20 Piece(s)	Available	13 Day(s)	35	4	[Steel] Structural Alloy Steel
13,866 VND	20 Piece(s)	Available	13 Day(s)	40	4	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	45	4	[Steel] Structural Alloy Steel
14,963 VND	20 Piece(s)	Available	13 Day(s)	50	4	[Steel] Structural Alloy Steel
18,041 VND	20 Piece(s)	Available	13 Day(s)	60	4	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	10	5	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	15	5	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	20	5	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	25	5	[Steel] Structural Alloy Steel
14,158 VND	1 Piece(s)	Available	Same day	30	5	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	35	5	[Steel] Structural Alloy Steel
14,158 VND	20 Piece(s)	Available	13 Day(s)	40	5	[Steel] Structural Alloy Steel
14,963 VND	20 Piece(s)	Available	13 Day(s)	45	5	[Steel] Structural Alloy Steel
16,356 VND	20 Piece(s)	Available	13 Day(s)	50	5	[Steel] Structural Alloy Steel
20,386 VND	20 Piece(s)	Available	13 Day(s)	60	5	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	15	6	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	20	6	[Steel] Structural Alloy Steel
14,597 VND	1 Piece(s)	Available	Same day	25	6	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	30	6	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	35	6	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	40	6	[Steel] Structural Alloy Steel
14,597 VND	20 Piece(s)	Available	13 Day(s)	45	6	[Steel] Structural Alloy Steel
15,110 VND	20 Piece(s)	Available	13 Day(s)	50	6	[Steel] Structural Alloy Steel
17,822 VND	20 Piece(s)	Available	13 Day(s)	60	6	[Steel] Structural Alloy Steel
15,843 VND	1 Piece(s)	Available	Same day	20	8	[Steel] Structural Alloy Steel
15,843 VND	20 Piece(s)	Available	13 Day(s)	25	8	[Steel] Structural Alloy Steel
15,843 VND	20 Piece(s)	Available	13 Day(s)	30	8	[Steel] Structural Alloy Steel
15,843 VND	20 Piece(s)	Available	13 Day(s)	35	8	[Steel] Structural Alloy Steel
15,843 VND	20 Piece(s)	Available	13 Day(s)	40	8	[Steel] Structural Alloy Steel
16,356 VND	20 Piece(s)	Available	13 Day(s)	45	8	[Steel] Structural Alloy Steel
17,822 VND	20 Piece(s)	Available	13 Day(s)	50	8	[Steel] Structural Alloy Steel
19,287 VND	20 Piece(s)	Available	13 Day(s)	60	8	[Steel] Structural Alloy Steel
26,235 VND	20 Piece(s)	Available	13 Day(s)	30	10	[Steel] Structural Alloy Steel
26,235 VND	20 Piece(s)	Available	13 Day(s)	35	10	[Steel] Structural Alloy Steel
28,576 VND	20 Piece(s)	Available	13 Day(s)	40	10	[Steel] Structural Alloy Steel
28,576 VND	20 Piece(s)	Available	13 Day(s)	45	10	[Steel] Structural Alloy Steel
28,576 VND	20 Piece(s)	Available	13 Day(s)	50	10	[Steel] Structural Alloy Steel
29,824 VND	20 Piece(s)	Available	13 Day(s)	60	10	[Steel] Structural Alloy Steel
29,824 VND	20 Piece(s)	Available	13 Day(s)	70	10	[Steel] Structural Alloy Steel
29,824 VND	20 Piece(s)	Available	13 Day(s)	80	10	[Steel] Structural Alloy Steel
31,654 VND	20 Piece(s)	Available	13 Day(s)	90	10	[Steel] Structural Alloy Steel
33,123 VND	20 Piece(s)	Available	13 Day(s)	100	10	[Steel] Structural Alloy Steel
26,235 VND	20 Piece(s)	Available	13 Day(s)	30	12	[Steel] Structural Alloy Steel
31,436 VND	20 Piece(s)	Available	13 Day(s)	35	12	[Steel] Structural Alloy Steel
35,613 VND	20 Piece(s)	Available	13 Day(s)	40	12	[Steel] Structural Alloy Steel
37,078 VND	20 Piece(s)	Available	13 Day(s)	45	12	[Steel] Structural Alloy Steel
37,517 VND	20 Piece(s)	Available	13 Day(s)	50	12	[Steel] Structural Alloy Steel
38,250 VND	20 Piece(s)	Available	13 Day(s)	60	12	[Steel] Structural Alloy Steel
33,928 VND	20 Piece(s)	Available	13 Day(s)	70	12	[Steel] Structural Alloy Steel
35,394 VND	20 Piece(s)	Available	13 Day(s)	80	12	[Steel] Structural Alloy Steel
41,181 VND	20 Piece(s)	Available	13 Day(s)	90	12	[Steel] Structural Alloy Steel
42,648 VND	20 Piece(s)	Available	13 Day(s)	100	12	[Steel] Structural Alloy Steel
37,739 VND	20 Piece(s)	Available	13 Day(s)	50	16	[Steel] Structural Alloy Steel
37,739 VND	20 Piece(s)	Available	13 Day(s)	60	16	[Steel] Structural Alloy Steel
40,887 VND	20 Piece(s)	Available	13 Day(s)	70	16	[Steel] Structural Alloy Steel
42,574 VND	20 Piece(s)	Available	13 Day(s)	80	16	[Steel] Structural Alloy Steel
43,015 VND	20 Piece(s)	Available	13 Day(s)	90	16	[Steel] Structural Alloy Steel
43,089 VND	20 Piece(s)	Available	13 Day(s)	100	16	[Steel] Structural Alloy Steel
52,322 VND	20 Piece(s)	Available	13 Day(s)	120	16	[Steel] Structural Alloy Steel
49,902 VND	20 Piece(s)	Available	13 Day(s)	80	20	[Steel] Structural Alloy Steel
52,394 VND	20 Piece(s)	Available	13 Day(s)	90	20	[Steel] Structural Alloy Steel
54,592 VND	20 Piece(s)	Available	13 Day(s)	100	20	[Steel] Structural Alloy Steel
65,582 VND	20 Piece(s)	Available	13 Day(s)	120	20	[Steel] Structural Alloy Steel
21,046 VND	20 Piece(s)	Available	13 Day(s)	10	3	[Steel] SCM435
24,913 VND	1 Piece(s)	Available	Same day	15	3	[Steel] SCM435
25,060 VND	20 Piece(s)	Available	13 Day(s)	20	3	[Steel] SCM435
25,795 VND	20 Piece(s)	Available	13 Day(s)	25	3	[Steel] SCM435
26,161 VND	20 Piece(s)	Available	13 Day(s)	30	3	[Steel] SCM435
26,600 VND	20 Piece(s)	Available	13 Day(s)	35	3	[Steel] SCM435
27,992 VND	20 Piece(s)	Available	13 Day(s)	40	3	[Steel] SCM435
20,605 VND	20 Piece(s)	Available	13 Day(s)	10	4	[Steel] SCM435
21,924 VND	20 Piece(s)	Available	13 Day(s)	15	4	[Steel] SCM435
24,548 VND	20 Piece(s)	Available	13 Day(s)	20	4	[Steel] SCM435
25,060 VND	20 Piece(s)	Available	13 Day(s)	25	4	[Steel] SCM435
25,795 VND	20 Piece(s)	Available	13 Day(s)	30	4	[Steel] SCM435
26,527 VND	20 Piece(s)	Available	13 Day(s)	35	4	[Steel] SCM435
27,260 VND	20 Piece(s)	Available	13 Day(s)	40	4	[Steel] SCM435
27,626 VND	20 Piece(s)	Available	14 Day(s)	45	4	[Steel] SCM435

Loading...Tải…

Dimensional Drawing

Specification Table

■ Dimension Specification Table
*Product customization is available for dimensions not listed in the table of specifications. Only S45C products are available for dimension L with *.

Part Number		L
Type	M	L
(Fine Thread) E-MSSR E-MSSRS (Coarse Thread) E-MSSNR E-MSSNRS	3	10	15	20	25	30	35	40
	4	10	15	20	25	30	35	40	45	50	60
	5	10	15	20	25	30	35	40	45	50	60
	6		15	20	25	30	35	40	45	50	60
	8			20	25	30	35	40	45	50	60
	10				25	30	35	40	45	50	60	70	80	90	100
	12					30	35	40	45	50	60	70	80	90	100
	16							40	45	50	60	70	80	90	100	120*
	20										60	70	80	90	100	120*

■ Dimension Specification

M	M×Pitch		B1	ℓ	SR
M	Fine Thread	Coarse Thread	B1	ℓ	SR
3	3×0.35	3×0.5	1.5	1.5	3
4	4×0.5	4×0.7	2	2.2	4
5	5×0.5	5×0.8	2.5	2.8	5
6	6×0.75	6×1.0	3	3	6
8	8×0.75	8×1.25	4	4	8
10	10×1.0	10×1.5	5	5	10
12	12×1.0	12×1.75	6	6	12
16	16×1.5	16×2.0	8	7	16
20	20×1.5	20×2.5	10	8	20

Material Specification

Adjusting Screw	Type	Material	Surface Treatment	Hardness
Fine Thread	E-MSSR	S45C	Trivalent Chromate Treatment	35～42HRC
Fine Thread	E-MSSRS	SUS304	－	－
Coarse Thread	E-MSSNR	S45C	Trivalent Chromate Treatment	35～42HRC
Coarse Thread	E-MSSNRS	SUS304	－	－

Basic InformationThông tin cơ bản

Tip Shape	Rounded End	Mounting Hole Shape	Hex Socket	Basic Shape	Set Screw
Thread Type	Metric, Coarse	Sales Unit	Sold Individually (No Min. Purchase)

The specifications and dimensions of some parts may not be fully covered. For exact details, refer toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..

Frequently asked question (FAQ)FAQ

Question:Question: What are the main types of bolt materials currently sold by MISUMI?: Answer:Answer: The bolt materials currently sold by MISUMI mainly include steel, stainless steel, aluminum alloy, titanium alloy, resin, etc.
Question:Question: What are the main types of special bolts currently sold by MISUMI?: Answer:Answer: The options available include axle pin bolts, eye bolts, protruding head bolts, contour bolts, and low head bolts.

Top of the page

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều

Tel:Số điện thoại:0222-361-1555
Fax:Số Fax:0222-361-2555
InquiryYêu cầu

MISUMI APP

Install MISUMI APP

MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

How can we improve?

ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Length L (mm)(mm)

Nominal of Thread (M)

Material

CADCAD

Days to ShipSố ngày giao hàng

Specify AlterationsChỉ định thay đổi

Hex Socket Set Screw, Coarse (Part Number)

Copy Part Number URL to Clipboard

(i) Caution thận trọng

Product Description

Product Overview of Hex Socket Set Screws

Product Features of Hex Socket Set Screws

Dimensional Drawing of Hex Socket Set Screws

Specification Table of Hex Socket Set Screws

Example Use of Hex Socket Set Screws

Related Industries of Hex Socket Set Screws

Part Number

Basic InformationThông tin cơ bản

Frequently asked question (FAQ)FAQ

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều

(i)
Caution

thận trọng