Sr25 Sr28 Sr32 Thread Button Drill Bit for Rock Drilling

• After-sales Service: Repair or Replacement
• Warranty: 6 Months
• Certification: ISO 9001:2000, ISO 9001:2008
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SR Thread
• Standard: GB
• Surface Treatment: Spray-Paint
• Manufacturing Process: Stamping
• Material: Carbon Steel
• Thread: R22, R25, R28, Sr28, R32, Sr35, R35
• Machine Type: Drilling Tools
• Color: Red, Black, Yellow, White
• Tungsten Carbide: Yk05 or T6
• Transport Package: Wooden Case
• Specification: 32-89
• Trademark: KAT DRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 500000PCS/Month
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 5.000kg

Product Description

Product Description

Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We have mainly 7 threads: R25, R28,SR28,R32,SR35, and R35. Diameter: 38-127mm,They can be used with button bits, cross bits and reaming products.

 

(1)Thread: R22, R25, R28, SR28, R32,SR35, R35

 

(2)Diameter: 38-127mm.

 

(3)Package: in wooden case or in carton.

 

(4)Productivity: 10000pcs/ month
 

Button bit R22/SR22	Carbide dimension				Dimensions D		Flushing hole
	Gauge		Front
	[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
	5	7	2	7	32	1 1/4"	1	1
	5	7	2	7	32	1 1/4"	1	1
	5	8	2	7	34	1 11/32"	1	1
	5	8	2	7	34	1 11/32"	1	1
	5	8	2	7	35	1 3/8"	1	1
	5	9	2	7	38	1 1/2"	1	1
	5	9	2	9	41	1 5/8"	1	1
	5	9.5	2	8	43	1 11/16"	1	1
	5	10	2	9	45	1 3/4"	1	1

 

Button bit R25/SR25	Carbide dimension				Dimensions D		Flushing hole
	Gauge		Front
	[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
	5	7	2	7	32	1   1/4"	1	1
	5	7	2	7	33	1  5/16"	1	1
	5	8	2	7	35	1  3/8"	1	1
	5	8	2	7	36	1 13/32"	1	1
	5	9	2	7	38	1   1/2"	1	1
	5	9	2	9	41	1  5/8"	1	1
	5	9.5	2	8	43	1 11/16"	1	1
	5	10	2	9	45	1  3/4"	1	1
	5	11	2	9	48	1  7/8"	1	1
	5	11	2	10	51	2"	1	1
	6	9	3	8	45	1  3/4"	3	1
	6	9	3	9	48	1  7/8"	3	1
	6	10	3	9.5	51	2"	3	1
	6	10	3	10	57	2   1/4"	3	1
	6	10	3	10	60	2  3/8"	3	1
Flat Face / Retrac
	5	9	2	9	41	1  5/8"	1	1
	5	9.5	2	8	43	1 11/16"	1	1
	5	10	2	9	45	1  3/4"	1	1
Flat Face / Retrac
	6	9	3	9	48	1  7/8"	3	1
	6	10	3	9.5	51	2"	3	1
	6	10	3	10	57	2   1/4"	3	1
	6	10	3	10	60	2  3/8"	3	1

 

Button bit R28/SR28	Carbide dimension				Dimensions D		Flushing hole
	Gauge		Front
	[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	9	2	9	41	1 5/8"	1	1
	5	9.5	2	8	43	1 11/16"	1	1
	5	10	2	9	45	1 3/4"	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	9	3	9	48	1 7/8"	3	1
	6	10	3	9.5	51	2"	3	1

 

Button bit R32/SR32	Carbide dimension				Dimensions D		Flushing hole
	Gauge		Front
	[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
	5	9	2	9	41	1 5/8"	1	1
	5	9.5	2	8	43	1 11/16"	1	1
	5	9.5	2	9	43	1 11/16"	1	1
	5	10	2	9	45	1 3/4"	1	1
	5	11	2	9	48	1 7/8"	1	2
	5	11	2	10	51	2"	1	1
	6	8	2	8	41	1 5/8"	2	0
	6	8	2	8	41	1 5/8"	2	1
	6	8	2	8	43	1 11/16"	2	0
	6	9	2	9	45	1 3/4"	2	0
	6	9.5	2	9.5	48	1 7/8"	2	0
	6	11	2	9	51	2"	2	0
	6	9	3	7	43	1 11/16"	3	1
	6	9	3	8	45	1 3/4"	3	1
	6	10	3	8	45	1 3/4"	3	1
	6	9	3	9	48	1 7/8"	3	1
	6	10	3	8	48	1 7/8"	3	1
	6	11	3	9	51	2"	3	1
	6	10	3	9.5	54	2 1/8"	3	1
	6	10	3	10	57	2 1/4"	3	1
	6	10	3	8	43	1 11/16"	3	1
	6	9	3	7	43	1 11/16"	3	1
	6	10	3	8	45	1 3/4"	3	1
	6	10	3	8	48	1 7/8"	3	1
Flat Face / Retrac
	6	9	3	9	48	1 7/8"	3	1
	6	10	3	9.5	51	2"	3	1
	6	10	3	9.5	54	2 1/8"	3	1
	6	10	3	10	57	2 1/4"	3	1
Bench drilling
Flat Face
	8	11	6	11	76	3"	2	0
	8	10	4	10	64	2 1/2"	2	0
Drop Center
	6	10	3/1	10/9	64	2 1/2"	3	0
	6	12.7	3/1	11 / 9.5	76	3"	3	0
Drop Center
	6	14	3/1	12.7 / 9.5	89	3 1/2"	3	0
	6	14	3/1	12.7 / 9.5	89	3 1/2"	3	0
Flat Face / Retrac
	8	10	4	10	64	2 1/2"	2	0
Flat Face / Retrac
	8	11	6	11	76	3"	2	0
Drop Center / Retrac
	6	10	3/1	10/9	64	2 1/2"	3	0
	6	12.7	3/1	10 / 9.5	76	3"	3	0
Drop Center / Retrac
	8	11	4/2	11 / 9.5	89	3 1/2"	4	1
	8	11	4/2	11 / 9.5	89	3 1/2"	4	1

 

Button bit R35/SR35	Carbide dimension				Dimensions D		Flushing hole
	Gauge		Front
	[No.]	[mm]	[No.]	[mm]	[mm]	[in]	Front	Side
	5	11	2	9	48	1 7/8"	1	1
	5	12.7	2	9.5	51	2"	1	2
	6	9.5	3	8	45	1 3/4"	3	1
	6	9	3	9	48	1 7/8"	3	1
	6	10	3	9	48	1 7/8"	3	1
	6	10	3	9.5	51	2"	3	1
	6	10	3	10	57	2 1/4"	3	1
	6	10	3	8	45	1 3/4"	3	1
	6	10	3	8	48	1 7/8"	3	1

 

Detailed Photos

 

Company Profile

Packaging & Shipping

FAQ

 

The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 25 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. After Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality