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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



 


   

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