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T51 Retrac Button Bits

T51 retrac button bits are a specific type of drill bit designed for rock drilling applications, commonly used in mining, quarrying, and construction. The designation "T51" refers to the thread type and size of the bit, while "retrac" indicates that the buttons on the bit are retractable, allowing them to move inward into the bit body.

Retrac button bits are favored in rock drilling operations due to their adaptability to changing rock hardness and their ability to withstand demanding conditions. Proper selection, usage, and maintenance contribute significantly to the efficiency and success of rock drilling operations in industries such as mining and construction.

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Product Details

Button Configuration:

T51 retrac button bits are equipped with hard and durable buttons, typically made of tungsten carbide. These buttons are strategically placed on the face of the bit for efficient rock penetration and breaking.

Applications:

T51 retrac button bits are suitable for various drilling applications, including blast hole drilling, exploration drilling, and production drilling in medium to hard rock formations. They are commonly used in the mining and construction industries.

Retrac Button Bit	Diameter		No×button diameter			Flushing hole		Weight approx kg	TIANYUE P/N
Retrac Button Bit	mm	inch	Front	Gauge	Angle	Front	Side	Weight approx kg	TIANYUE P/N
	Spherical buttons
	89	3 1/2	4 X 13	8 X 13	40°	2	-	5.3	1531-89T51-413/813-45-31
	89	3 1/2	5 X 13	8 X 13	35°	2	1	5.3	1531-89T51-513/813-45-31
	89	3 1/2	3 X 11, 2 X 11	6 X 13	35°	4	-	5.3	1533-89T51-511/613-45-31
	89	3 1/2	4 X 11, 1 X 11	8 X 13	35°	4	-	5.3	1533-89T51-511/812-45-31
	89	3 1/2	4 X 13, 1 X 13	8 X 13	35°	4	-	5.3	1632-89T51-513/813-45-31
	102	4	4 X 14	8 X 14	40°	2	-	7.3	1531-102T51-414/814-45-31
	102	4	6 X 13	8 X 16	35°	2	1	7.3	1531-102T51-613/816-45-31
	102	4	4 X 13, 1 X 13	8 X 14	35°	4	-	7.3	1533-102T51-513/814-45-31
	102	4	4 X 13, 2 X 13	8 X 13	35°	4	1	7.3	1533-102T51-613/813-45-31
	102	4	4 X 13, 1 X 13	8 X 14	35°	4	1	7.3	1533-102T51-513/814-45-31
	115	4 1/2	6 X 14	8 X 14	35°	2	-	9.8	1531-115T51-614/814-45-31
	115	4 1/2	6 X 14	8 X 16	35°	2	-	9.8	1531-115T51-614/816-45-31
	115	4 1/2	4 X 13, 2 X 13	8 X 14	35°	4	-	9.8	1533-115T51-613/814-45-31
	115	4 1/2	4 X 13, 3 X 13	8 X 14	35°	4	-	9.8	1533-115T51-713/814-45-31
	115	4 1/2	4 X 14, 2 X 14	8 X 16	35°	4	-	9.8	1533-115T51-614/816-45-31
	127	5	8 X 14	8 X 16	35°	2	1	12.0	1531-127T51-814/816-45-31
	127	5	4 X 16, 2 X 13	8 X 16	35°	4	-	12.0	1533-127T51-616/816-45-31
	127	5	4 X 14, 3 X 14	8 X 14	35°	4	-	12.0	1533-127T51-714/814-45-31
	Parabolic buttons
	89	3 1/2	5 X 13	8 X 13	35°	2	1	5.3	1531-89T51-513/813-45-51
	89	3 1/2	3 X 11, 2 X 11	6 X 13	35°	4	-	5.3	1533-89T51-511/613-45-51
	89	3 1/2	4 X 11, 1 X 11	8 X 13	35°	4	-	5.3	1533-89T51-511/813-45-51
	89	3 1/2	4 X 13, 1 X 13	8 X 13	35°	4	-	5.3	1632-89T51-513/813-45-51
	102	4	4 X 14	8 X 14	40°	2	-	7.3	1531-102T51-414/814-45-51
	102	4	6 X 13	8 X 16	35°	2	1	7.3	1531-102T51-613/816-45-51
	102	4	4 X 13, 1 X 13	8 X 14	35°	4	-	7.3	1533-102T51-513/814-45-51
	102	4	4 X 13, 2 X 13	8 X 13	35°	4	1	7.3	1533-102T51-613/813-45-51
	102	4	4 X 13, 1 X 13	8 X 14	35°	4	1	7.3	1533-102T51-513/814-45-51
	115	4 1/2	6 X 14	8 X 16	35°	2	-	9.8	1531-115T51-614/816-45-51
	115	4 1/2	4 X 13, 2 X 13	8 X 14	35°	4	-	9.8	1533-115T51-613/814-45-51
	115	4 1/2	4 X 13, 3 X 13	8 X 14	35°	4	-	9.8	1533-115T51-713/814-45-51
	115	4 1/2	4 X 14, 2 X 14	8 X 16	35°	4	-	9.8	1533-115T51-614/816-45-51

Product	Button Bit
Other Names	Button drill bit,Thread button bit,Thread drill bit,Rock drill bit,Top Hammer drill bit,Drill bit,Rock bit,Hard rock dilling tools,Rock dill tool,Rock tools,Top Hammer drilling tools,Mining drill bit
Material	23CrNi3Mo
Application	Tunnelling, Mining, Quarrying, Ore Mining,Blasting and Infrastructure Construction,Facedrilling and Bolting, Bench Drilling, Production drilling, Long hole drilling, Drifting.
Thread	R25, R28, R32, R35, R38, T38, T45, T51, ST58, ST68, GT60, SR28, SR35...
Bit Type	Thread Button Bit,Retrac Button Bit,Reaming Button Bit，Cross Bit，Chisel Bit
Skirt Design	Standard skirt, Retrac skirt, Straightrac skirt, Heavy duty skirt
Face Design	Flat face, Drop center face, Convex face, Reaming type, Cross type
Button Shape	Spherical buttons, Ballistic buttons, Conical buttons, Composite buttons
Head Diameter	28mm~152mm
Custom Design	Size,Color

Face Design	Application
	Flat face button drill bits are suitable for all rock conditions, especially for the rock with higher hardness and higher abrasiveness. Such as granite and basalt
	Convex Face button bits are designed for fast penetration rates in softer rock.
	Drop center button drill bits are mainly suitable for the rock with low hardness, low abrasiveness, and good integrity. The bits can drill straighter holes.
	Normal Skirt For drilling in very hard and abrasive rock formations.
	Retract Skirt For drilling in loose,broken or fissured rock where it is difficult to retract the drill string due to the hole collapse.

Thread Type:

The "T" in T51 stands for "trapezoidal," indicating the shape of the thread. The number "51" denotes the diameter of the thread in millimeters. T51 is a standardized thread type used in the drilling industry, ensuring compatibility with various drilling equipment.

Retrac Design:

The retrac design is a crucial feature of these bits. The cutting buttons on the bit are retractable, allowing them to adapt to changing rock hardness. This feature helps protect the buttons from excessive wear, contributing to increased bit lifespan.

Button Shape
	R：Round Utility carbide shape. Stong configuration against carbide fracture.
	B:Ballistic Higher penetrating carbide shape than Semi ballistic shape. Recommended for soft rock.
	BB：Semi Ballistic Combined wear resistance and high penetration rate. Recommended for medium-hard rock with moderate abrasitivity.
	SA:Spike Highest penetrating carbide shape. Weak configuration against carbide fracture. Recommended for soft to medium-hard work.

Face Design:

The face design of T51 retrac button bits may include options such as flat face, drop center, concave, or convex designs. The choice of face design depends on specific drilling requirements and the type of rock being encountered.

Sizes and Variations:

T51 retrac button bits come in various sizes to accommodate different drilling requirements. The selection of the appropriate size depends on factors such as the desired hole diameter and the specific geological conditions of the drilling site.

Actual pictures of drill bits

Threaded Drill Bits Retrac Button Bits Reaming Drill Bits Cross Bit Chisel Bit

Thread Button Bit

Bit process flow

Compatibility:

T51 retrac button bits are designed to be compatible with drilling equipment that uses T51 threaded components. This includes drifter rods, extension rods, and rock drills with matching T51 threads.

Maintenance:

Regular inspection and maintenance of T51 retrac button bits are essential for optimal performance. Monitoring the condition of the cutting buttons and replacing them when worn are routine practices to maximize bit lifespan.

About US

Thread Button Bit

Packing

T51 retrac button bits are known for their durability, adaptability, and efficiency in challenging rock drilling environments. Proper selection, usage, and maintenance contribute significantly to the success of rock drilling operations in industries such as mining and construction.

FAQ

1: Are you a manufacturer or a trading company?

A: We are a manufacturer specializing in the production and sales of drilling tools.

Q2: I am a small wholesaler, can I place a small order?

A: Yes, of course. If you are a small wholesaler, we are more than happy to accommodate your order. We believe in growing together with our customers. We look forward to establishing new partnerships with friends from all over the world to develop and mutually benefit.

Q3: Can you do OEM for me?

A: Absolutely, we accept all OEM orders. Simply contact us and provide your design. We will offer you a reasonable price and make samples for you as soon as possible.

If you have any other questions, please do not hesitate to send us an inquiry. We will get back to you as soon as possible.

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