2019 China Rock Drilling Tapered Chisel Bit 7-13 Degrees for small
hole drilling
King-Long Rock Drilling Bits
Some Features of King-Long Brand Rock Drilling Chisel Bits.
A: Fantastic Steel Material Imported from Sweden and USA.
B: Extra Bigger Width of Tungsten Carbide Inserts.
C: Cross Tapered Bit Top Head Diameters: From 28mm to 42mm.
D: Customer-made Rock Drilling Chisel Bits are also available by
order.
E: Taper Connection Degree: 6,7, 11,12
F: Hex Drill Rods Matched: Hex22, Hex25
G: Steels Material Chemical Name:42CrMo 45CrNiMoV(By Request)
H: Processing: Forging.
I: Color Available: Red, Blue, Gold, White, Yellow, or customer
request.
J: Connection Machine Types: Hand-Held Jack Hammer Y20 Y24 Y26
YT28.
| Shank Size | Diameter | Tip size(mm) | Part Number | Weight |
| H22x108mm | mm | inch | Height | Width | | Kg |
| 26 | 1 1/32 | 10 | 7 | TC26H22 | 0.17 |
| 28 | 1 7/64 | 10 | 8 | TC28H22 | 0.18 |
| 30 | 1 3/16 | 11 | 8 | TC30H22 | 0.22 |
| 32 | 1 1/4 | 12 | 8 | TC32H22 | 0.24 |
| 34 | 1 11/32 | 13 | 8 | TC34H22 | 0.27 |
| 36 | 1 27/64 | 13.5 | 8 | TC36H22 | 0.30 |
| 38 | 1 1/2 | 13.5 | 9 | TC38H22 | 0.33 |
| 40 | 1 37/64 | 15 | 9 | TC40H22 | 0.38 |
| 42 | 1 21/32 | 15 | 9.2 | TC42H22 | 0.39 |
| 43 | 1 11/16 | 15 | 9.8 | TC43H22 | 0.41 |
Advantages of King-Long Cross Bits:
A: High Effective Penetration Speed.
B: Easy Operation for all Operators.
C: Production is fast and simple, lower labor cost and cheaper
price for market users.
D: Very Adaptable for Various Rock Informations.
Application of Cross Insert Bits: Mining, Tunneling, Construction Project etc. Especially good at
Coal Mining Drilling Business.
