Sealed Roller Bearing Bits

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WLS SEALED ROLLER BEARING DRILL BITS
Steel Tooth Products
DIAMETER		FORMATION TYPE	PIN SIZE	APPX. WT.
in	mm	IADC	API	lbs	kg
8 1/2	216	215	4 1/2	80	36.4
9 7/8	251	114	6 5/8	143	64.7
11	279	115	6 5/8	176	79.8
12 1/4	311	115, 124, 135	6 5/8	203	92.2
13 3/4	349	115	6 5/8	278	126
14 3/4	375	115	6 5/8
15 1/2	394	115, 215	6 5/8	343	155.7
17 1/2	445	115, 134, 215	6 5/8	590	267.5
Tungsten Carbide Insert Products
DIAMETER		FORMATION TYPE	PIN SIZE	APPX. WT.
in	mm	IADC	API	lbs	kg
7 7/8	200	535, 625X	4 1/2	74	33.7
8 1/2	216	625X	4 1/2	91	41.4
9 7/8	251	545X	6 5/8	140	63.4
10 5/8	270	545	6 5/8
11 5/8	295	545	6 5/8
12 1/4	311	415X,535X, 625X	6 5/8	208	94.3
14 3/4	375	535X	6 5/8	329	149.4
15 1/2	394	545X	6 5/8	431	195.7
17 1/2	445	415, 535X, 625Y	6 5/8	590	267.5

Más información sobre este producto consulte en: http://www.wlsdp.com/sealed_roller.php