China R28/Sr28 Thread Flat Face Rock Drilling Tools Button Bit for Underground Mining Manufacturers, Quotes

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China R28/Sr28 Thread Flat Face Rock Drilling Tools Button Bit for Underground Mining Manufacturers, Quotes

Product Details

Customization:	Available
After-sales Service:	Repair or Replacement
Warranty:	6 Months

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Product Description

Basic Information

Model NO.

SR28 Button bit

Certification

ISO 9001:2000, ISO 9001:2008

Standard

Surface Treatment

Spray-Paint

Manufacturing Process

Stamping

Material

Carbon Steel

Thread

R28/Sr28

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Tungsten Carbide

Yk05 or T6

HS Code

82071990

Production Capacity

500000 PCS/Month

Product Description

Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We offer 7 primary thread types: R25, R28, SR28, R32, SR35, and R35. With diameters ranging from 38-127mm, these tools are compatible with button bits, cross bits, and reaming products.

Key Features:

Thread Options: R22, R25, R28, SR28, R32, SR35, R35
Diameter Range: 38-127mm
Packaging: Securely packed in wooden cases or cartons
High Productivity: 10,000pcs per month

Carbide Dimension				Dimensions D		Flushing Hole
Gauge		Front		Dimensions D		Flushing Hole
[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
5	8	2	7	36	1 13/32"	1	3
5	8	2	8	38	1 1/2"	1	3
5	9	2	7	38	1 1/2"	1	1
5	11	2	9	48	1 7/8"	1	1
6	8	2	8	43	1 11/16"	2	0
6	9	2	9	45	1 3/4"	2	0
6	9	3	8	45	1 3/4"	3	1
6	10	3	9.5	51	2"	3	1

Detailed Product Photos

Packaging & Shipping

Frequently Asked Questions

1. What are the accepted methods of payment?

We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight for all orders.

2. How long does it take to handle an order?

Order handling time is based on quantity. Production normally takes about 25 days. If the requested size is in stock, it only takes 2 to 3 days.

3. What shipping methods do you provide?

For sample orders, we suggest courier expresses such as DHL, UPS, TNT, FEDEX, or air freight. For bulk orders, we recommend shipping by air or by sea.

4. How do you ensure product quality control?

We have an experienced internal QC team. Every single order undergoes strict inspection and testing before being shipped out.

5. What kind of after-sales support do you offer?

Our sales team responds to inquiries within 24 hours (excluding holidays). We provide technical support at any time and offer free replacements for confirmed product quality failures.

6. Is technical support available for drilling operations?

Yes, technical support is available at any time to assist with product selection and application to ensure optimal drilling performance.