D76 D100 Roof Core Bit Segment for Retipping 24X3.5X11mm 24X4X11mm 1-1/4"-7 Threaded #30/40 Diamond Grit

• Length: 60mm
• Type: Core Drill Bit
• Material: Diamond
• Usage: Well Drilling, Masonry Drilling
• Transport Package: Carboard Box
• Specification: 34
• Model NO.: BSD
• Trademark: BEST
• Origin: China
• HS Code: 8207
• Production Capacity: 4000

Product Description

Crown Ring Diamond Core Drill Segment For Granite
Specifications

advantage: 
1. easy welding 
2. totally flat face 
3. not even tiny jumping when drilling 
4. fixed segment gaps
5. Drilling depth: 18"

customized specification is available.

D35(D32-35)	15*3*11(V Roof segment)
D37(D36-40)	15*3*11 (V Roof segment)
D43(D40-44)	24*3.5*11(V Roof segment)
D60(D52-66)	24*3.5*11(V Roof segment)
D76(D68-82)	24*3.5*11(V Roof segment)
D94(D89-108)	24*3.5*11(V Roof segment)
D140(D110-150)	24*4*11 (V Roof segment)
D180(D160-200)	24*4.5*11(V Roof segment)
D220(D203-254)	24*4.5*11 V Roof segment)
D300(D280-305)	24*5*11 (V Roof segment)
D350(D330-400)	24*5.5*11 (V Roof segment)

 

Formular	suit for Diameter	suitable for drill machine power	Performance (D102 drill standard concrete block, 30CM long, including 3 D32 steel bars, C40 concrete; weka, 3.2KW drilling rig)
A	D30 and Above	1.5Kw and above	Sharpness: 8 minutes/hole; life: 12 holes; Suitable for various power drilling rigs, and various hardness concrete, strong versatility
B	D30 and above	2.3Kw and above	Sharpness: 12 minutes/hole; life: 27 holes; suitable for 3.2Kw medium and high power drilling rig, drilling and cutting medium hardness reinforced concrete
C	D30 and Above	2.3Kw and above, Table drilling machine	Sharpness: 17 minutes/hole; life: 18 holes; suitable for 3.2Kw medium and high power drilling rig, drilling and cutting medium and soft hardness reinforced concrete
D	D30 and Above	2.3Kw and above, Table drilling machine	Sharpness: 17 minutes/hole; life: 15 holes; suitable for 3.2Kw medium and high power drilling rigs, drilling and cutting medium and soft hardness reinforced concrete
E	D32-D152	3.2Kw and below, Handheld drilling or Table drilling machine	Sharpness: 8 minutes / hole; life: 8 holes; suitable for 3.2Kw and below power drilling rig, drilling and cutting various hardness concrete
F	D6-D42(crown seg ment)	2.3Kw and above, Table drilling machine	D20 bit sharpness: 7 minutes/hole; life: 18 holes; suitable for 1.5 and above power rigs, drilling and cutting various hardness concrete