Wire-line Diamond Impregnated Bit

CROWN HEIGHT
Short depth holes	7mm
Short to medium depth holes	10mm
Deep holes	14mm

 

FEATURES&BENEFITS

* Simplified bit selection

* Increased productivity

* Reduced inventory

* High performance

*Streamline application based product offering

  

STANDARD SPECIFICATION
ITEM	DIAMOND BIT					REAMING SHELL
"Q" Series Wireline	Size	Bit-set OD		Bit-set ID
		mm	inch	mm	inch	mm	inch
	AQ	47.60	1.88	26.97	1.06	48.00	1.89
	BQ	59.50	2.35	36.40	1.43	59.90	2.36
	NQ	75.30	2.97	47.60	1.88	75.70	2.98
	HQ	95.58	3.77	63.50	2.50	96.00	3.78
	PQ	122.00	4.80	84.96	3.35	122.60	4.83

 

APPLICATION
Application 1	Soft to medium hard rock with abrasive and fractured to competent formations  Matrix series 1-4
Application 2	Medium hard to hard rock with slightly abrasive and slightly broken to competent formations  Matrix series 5-8
Application 3	Hard to very hard rock with competent formations Matrix series 9-10

  

MATRIX SERIES
Rock Group	Formation Description	Rock Type
1-4	Soft to medium hard Very abrasive to slightly abrasive Very fractured to slightly broken	Unmetamorphosed or weakly metamorphosed shales, Sandstone and limestone
5	Medium hard Abrasive Moderately fractured to slightly broken	Limestone and dolomite. Weathered granite and gneiss. Serpentinite and metaperidotite.
6	Medium hard Moderately abrasive Moderately fractured to slightly broken	Unmetamorphosed or weakly metamorphosed diorite, Gabbro, peridotite and gneiss. Basalt, andesite.
7	Medium hard - hard Moderately abrasive Slightly fractured to competent	Metabasalt, amphibolite. Metamorphosed diorite and gabbro. Diabase.
8	Hard Slightly abrasive Competent	Quartz rich skarn. Granite and pegmatite
9	Very hard Slightly abrasive Very competent	Metamorphosed granitic rock and quartz rich gneiss.
10	Extremely hard Non-abrasive, fine grained Very competent	Chert and jasperite. Quartzite. Highly metamorphosed volcanic.