Mining &
Civil Construction

Impregnated Diamond Bit Selection Chart

Rock Types	Rock Characteristics	Bit Type
Chert - Jasperite	Extremely hard non abrasive	14 A0
Glassey Quartz - Quartzite	very fine grained competent	12 A0
Ryolite		10 A0
Diorite - Granite	Very hard non abrasive	9 AO
Gneiss – Quartzite	Fine grained Competent	8 AO 8 D 2
Grainte - Pegmatite Quartz – Silicified Volcanics	Hard Moderately abrasive fine to medium grain Competent to slightly Fractured	8 D-2 8 AO 7 AO 7 - AA
Baslalt – Diorite	Medium Hard Moderately abrasive medium to coarse grained competent to fractured	6 – E4 6AO
Diabase Gabro		5AO
Dolomite – weathered Granite	Medium Soft Abrasive Medium to Coarse Grain Competent to fractured	4 AO
Serpentine - Peridotite		4 AO
Congolmerates – Hard Shales	Very Abrasive coarse grain highly fractured Abrasive	2 AO
Limestone – Sandstone		1 AO

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Impregnated Bit Part Numbers

Formation	Series	BWL	NWL	NWL-3	NWL 2	HWL	HWL 3	PWL	PWL 3
Extremely hard non abrasive Fine grained – competent	14	33200	33300	33350	33400	33500	33550	33600	33650
	12	33201	33301	33351	33401	33501	33551	33601	33651
Very Hard – fine grained competent	10	33202	33302	33352	33402	33502	33552	33602	33652
	9	33203	33303	33353	33403	33503	33553	33603	33653
Hard and Moderately abrasive competent to slightly fractured	8A	33204	33304	33354	33404	33504	33554	33604	33654
	8D	33205	33305	33355	33405	33505	33555	33605	33655
	7 AO	33206	33306	33356	33406	33506	33556	33606	33656
	7 AA	33207	33307	33357	33407	33507	33557	33607	33657
Medium Hard Moderately abrasive medium to coarse grained competent to fractured	6	33208	33308	33358	33408	33508	33558	33608	33658
	5	33209	33309	33359	33409	33509	33559	33609	33659
Medium Soft - Abrasive Medium to Coarse Grain Competent to fractured	4	33210	33310	33360	33410	33510	33560	33610	33660
Very Abrasive – coarse grain highly fractured – Abrasive	2	33211	33311	33361	33411	33511	33561	33611	33661
	1	33212	33312	33362	33412	33512	33562	33612	33662

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Reaming Shells

Product Number	Size	OD Gauge
33700	AQ	1.890
33701	BWL	2.360
33702	NWL	2.980
33703	HWL	3.790
33704	PWL	4.835

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Impregnated Casing & Rod Shoes

Product Number	Description	ID	OD
33800	NW Casing Shoe	2.987	3.620
33801	HW Casing Shoe	3.992	4.632
33802	PW Casing Shoe	4.777	5.650
33803	SW Casing Shoe	5.777	6.790
33804	UW Casing Shoe	6.905	7.800
33805	NWT	2.987	3.620
33806	HWT	3.992	4.632
33807	PWT	4.777	5.650
33809	NWL Rod Shoe	2.367	2.985
33810	HWL Rod Shoe	3.050	3.782

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Carbide Casing & Rod Shoes

Product Number	Description	ID	OD
33900	NW Casing Shoe	2.987	3.620
33901	HW Casing Shoe	3.992	4.632
33902	PW Casing Shoe	4.777	5.650
33903	SW Casing Shoe	5.777	6.790
33904	UW Casing Shoe	6.905	7.800
33905	NWT Casing Shoe	2.987	3.620
33906	HWT Casing Shoe	3.992	4.632
33906	PWT Casing Shoe	4.777	5.650
33907	NWL Rod Shoe	2.367	2.985
33908	HWL Rod Shoe	3.050	3.782

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Polycrystalline

Full Hole Bits

PCD bit can boost your production over surface set and impregnated products when used in homo -genius soft to medium sedimentary rock – Such as Shales, Sandstones and Limestones. We offer full hole or coring bits in all sizes within our range 2.00 inch to 10.750 inch OD.

Call us for a quick quote at 1 800 536 5875.

 

Polycrystalline

Coring Bits

PCD Diamond coring bits will drill faster and boost your production over surface set and impregnated products whenused in homo -genius soft to medium sedimentary rock – Such as Shales, Sandstones and Limestones. Available for all Core Barrel sizes both conventional and wire line.

Call us for a quick quote at 1 800 536 5875.