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Retract Thread Button Bits

Retract Thread Button Bits

Thread size:R25, R28, R32, R38, T38, T45, T51, ST58, ST68

Head diameters: 51mm ~ 152mm

Face designs: flat face, drop center, uni-face

Applications: Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Product Details
Parameters
Product Details

Retractable Button Bit for Various Rock Hardness Drilling
Retract Thread Button Bits

Description:

The button bit is renowned for its exceptional wear resistance in medium-hard to hard abrasive rock formations (compressive strength: 200-260 MPa). Featuring spherical tungsten carbide inserts with superior fracture resistance, it is ideal for mining, tunneling, and quarrying applications. Manufactured from high-quality alloy steel bars and tungsten carbide through advanced heat treatment processes.
Retract Thread Button Bits

Key Features:

  • Widely used in drifting and tunneling operations;
  • Optimized bit face design for medium-hard to hard abrasive rock penetration

Retract Thread Button Bits

Technical Specifications:

Parameter Details
Material Alloy Steel Bar + Tungsten Carbide Composite
MOQ 1-5 pcs (trial orders accepted)
Body Type Standard / Retractable
Thread Type R25, R28, R32, R38, T38, T45, T51, ST58, ST68
Diameter Range 32mm – 152mm
Button Shape Spherical / Ballistic
Face Shape Flat / Drop-Center
Parameters
R25
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
41 1 5/8″ 5 × 9 2 × 8 2 1 0.78 R25-417YFP
45 1 3/4″ 6 × 9 3 × 8 1 3 1 R25-459YFP
48 1 7/8″ 6 × 10 3 × 9 1 3 1.1 R25-489YFP
51 2″ 6 × 10 3 × 9 3 1.35 R25-519YFP
55 2 11/64″ 6 × 11 3 × 9 1 3 1.54 R25-559YFP
57 2 1/4″ 6 × 10 3 × 10 3 1.6 R25-579YFP
64 2 1/2″ 8 × 11 4 × 10 1 2 2.2 R25-6412YFP
R28
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
45 1 3/4″ 6 × 9 3 × 8 1 3 1 R28-459YFP
51 2″ 6 × 10 3 × 9 1 3 1.35 R28-519YFP
R32
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
45 1 3/4″ 6 × 9 3 × 8 1 3 0.9 R32-459YFP
48 1 7/8″ 6 × 10 3 × 9 1 3 1.1 R32-489YFP
51 2″ 6 × 10 3 × 9 3 1.2 R32-519YFP
57 2 1/4″ 6 × 10 3 × 10 3 1.7 R32-579YFP
64 2 1/2″ 6 × 11 3 × 10 1 2 2.2 R32-649YFP
60 2 23/64″ 8 × 10 4 × 9 1 2 1.7 R32-6012YFP
64 2 1/2″ 8 × 10 4 × 10 2 2 1.9 R32-6412YFP
76 3″ 8 × 12 4 × 11 2 2 2.2 R32-7612YFP
76 3″ 8 × 11 4 × 11, 1 × 11 4 3.3 R32-7613YFA
SR35
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
51 2″ 8 × 9 3 × 9 2 1 1.6 SR35-5111YFP
54 2 1/8″ 8 × 9 3 × 9 2 1 1.8 SR35-5411YFP
54 2 1/8″ 6 × 10 3 × 9 1 3 1.3 SR35-549YFA
R38
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
64 2 1/2″ 8 × 10 4 × 10 2 2 1.9 R38-6412YFP
76 3″ 8 × 12 4 × 11 2 2 2.2 R38-7612YFP
64 2 1/2″ 6 × 11 3 × 10 1 2 1.9 R38-649YFP
64 2 1/2″ 6 × 11 3 × 10, 1 × 9 1 2 1.9 R38-6410YFA
64 2 1/2″ 8 × 10 4 × 10, 1 × 9 1 4 1.9 R38-6413YFA
66 2 19/32″ 6 × 11 3 × 10, 1 × 9 1 2 1.9 R38-6610YFA
70 2 3/4″ 8 × 10 4 × 10, 1 × 9 1 4 2.4 R38-7013YFA
76 3″ 8 × 11 4 × 11, 1 × 11 4 3.3 R38-7613YFA
89 3 1/2″ 8 × 12 4 × 12, 2 × 10 1 4 5.3 R38-8914YFA
89 3 1/2″ 8 × 12 4 × 11, 1 × 11 1 4 5.3 R38-8913YFA
T38
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
64 2 1/2″ 8 × 10 4 × 10 2 2 1.9 T38-6412YFP
76 3″ 8 × 12 4 × 11 2 2 2.2 T38-7612YFP
64 2 1/2″ 6 × 11 3 × 10 1 2 1.9 T38-649YFP
64 2 1/2″ 6 × 11 3 × 10, 1 × 9 1 2 1.9 T38-6410YFA
64 2 1/2″ 8 × 10 4 × 10, 1 × 9 1 4 1.9 T38-6413YFA
70 2 3/4″ 8 × 10 4 × 10, 1 × 9 1 4 2.4 T38-7013YFA
65 2 9/16″ 6 × 12 4 × 10 1 2 3.1 T38-6510YSP
T45
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
76 3″ 8 × 12 4 × 11 2 2 2.2 T45-7612YFP
89 3 1/2″ 8 × 13 5 × 12 2 2 5.2 T45-8913YFP
102 4″ 9 × 12 6 × 12 3 6.5 T45-10215YFP
115 4 1/2″ 9 × 14 7 × 13 3 10 T45-11516YFP
115 4 1/2″ 9 × 14 6 × 13 3 10 T45-11515YFP
76 3″ 8 × 11 4 × 11, 1 × 11 4 3.2 T45-7613YFA
89 3 1/2″ 8 × 12 4 × 12, 2 × 10 1 4 5.4 T45-8914YFA
102 4″ 8 × 12 4 × 12, 3 × 12 4 7.8 T45-10215YFA
102 4″ 8 × 13 4 × 12, 4 × 12 4 7.8 T45-10216YFA
115 4 1/2″ 8 × 14 4 × 13, 3 × 12 4 7.8 T45-11515YFA
76 3″ 8 × 13 4 × 11, 1 × 11 1 4 3.5 T45-7613YSA
89 3 1/2″ 8 × 12 4 × 12, 1 × 12 1 4 4.7 T45-8913YSA
T51
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
89 3 1/2″ 8 × 13 5 × 12 2 2 4.6 T51-8913YFP
102 4″ 8 × 14 7 × 12 1 2 7.1 T51-10215YFP
102 4″ 9 × 12 6 × 12 3 7.1 T51-10215YFP1
115 4 1/2″ 9 × 14 7 × 13 3 10 T51-11516YFP
115 4 1/2″ 9 × 14 6 × 13 3 10 T51-11515YFP
127 5″ 9 × 14 7 × 13 3 13 T51-12716YFP
89 3 1/2″ 8 × 12 4 × 11, 1 × 11 1 4 5.3 T51-8913YFA
89 3 1/2″ 8 × 12 4 × 12, 2 × 10 1 4 5.4 T51-8914YFA
102 4″ 8 × 12 4 × 12, 3 × 12 4 7.8 T51-10215YFA
102 4″ 8 × 13 4 × 12, 4 × 12 4 7.8 T51-10216YFA
115 4 1/2″ 8 × 14 4 × 13, 3 × 12 4 7.8 T51-11515YFA
115 4 1/2″ 8 × 14 4 × 14, 3 × 12 4 7.8 T51-11515YFA1
115 4 1/2″ 8 × 14 4 × 14, 4 × 12 4 10 T51-11516YFA
89 3 1/2″ 9 × 11 3 × 11, 2 × 10 1 3 4.8 T51-8914YFA2
102 4″ 9 × 12 3 × 12, 3 × 11 1 3 6.9 T51-10215YFA1
110 4 21/64″ 9 × 14 6 × 12, 2 × 11 3 10 T51-11017YFA
127 5″ 8 × 16 4 × 14, 4 × 14 4 13.5 T51-12716YFA
102 4″ 8 × 14 4 × 13, 1 × 13 2 10.1 T51-10213YSA
115 4 1/2″ 9 × 14 6 × 12, 4 × 12 3 9.45 T51-11519YSA
GT60
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
92 3 5/8″ 9 × 12 9 × 12 2 5.1 GT60-9218YSP
96 3 25/32″ 9 × 12 9 × 12 2 6.5 GT60-9618YSP
102 4″ 9 × 13 10 × 12 2 8.5 GT60-10219YSP
115 4 1/2″ 9 × 14 10 × 12 3 10.8 GT60-11519YSP
127 5″ 9 × 16 10 × 14 3 15 GT60-12719YSP
140 5 1/2″ 9 × 16 10 × 14 3 15 GT60-14019YSP
152 6″ 9 × 16 12 × 16 3 20 GT60-15221YSP
115 4 1/2″ 9 × 16 6 × 13 3 15 GT60-11515YSP
ST58
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
89 3 1/2″ 10 × 12 4 × 12, 2 × 12 4 5 ST58-8916YSA
115 4 1/2″ 10 × 14 4 × 14, 4 × 14 4 10 ST58-11518YSA
ST68
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge [No.] × [mm] Front [No.] × [mm] Side [No.] Front [No.] [kg]
102 4″ 10 × 12 4 × 12, 4 × 12 4 9.3 ST68-10218YSA
115 4 1/2″ 10 × 14 4 × 14, 4 × 14 4 10 ST68-11518YSA

Notice: There is a chance that SHANDIKE may make changes on above-mentioned information. Product pictures and parameters about models, data, performances and specifications on this website are for reference only.

SHANDIKE
Jianxi District, Luoyang, China
+8619937978951
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