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Model G8688 (Mfg. 3/09+)
-29-
MODEL SIZE
BODY
DIA.
DRILL
DIA.
OVERALL
LENGTH
H4456 1
1
⁄8"
3
⁄64" 1
1
⁄4"
H4457 2
3
⁄16"
5
⁄64" 1
7
⁄8"
H4458 3
1
⁄4"
7
⁄64"
2"
H4459 4
5
⁄16"
1
⁄8" 2
1
⁄8"
H4460 5
7
⁄16"
3
⁄16" 2
3
⁄4"
H4461 6
1
⁄2"
7
⁄32"
3"
H4462 7
5
⁄8"
1
⁄4" 3
1
⁄4"
H4463 8
3
⁄4"
5
⁄16" 3
1
⁄2"
These High Speed Steel Center Drills are preci-
sion ground for unsurpassed accuracy.
Figure 33. H4456-63 HSS Ground Center Drills.
Figure 35. H1508 HSS Square Tool Bits.
Figure 36. H5690 Pre-Ground Tool Bit Set.
H1508—HSS Square Tool Bits
5
⁄16" x
5
⁄16" x 2
1
⁄2
Our ground tool bits are M-2 HSS, making them
some of the most durable tool bits around. Make
your own specialized cutters in any shape using
a silicon carbide grinding wheel (G8235-37) on
your grinder.
H5690—8-Pc. Pre-Ground Tool Bit Set
Tired of grinding your blank high speed steel tool
bits? We've done it for you! 8-pc set comes with
these sharpened profiles: offset right and left hand
tools with chip breaker, straight and chip breaker
style threading tools, internal threading tool, part-
ing tool, boring tool and turning tool. These tool
bits are evenly hardened to better than 64C.
G9864—3" Four-Jaw, Plain Back Independent
Chuck
Four-Jaw Chucks are used for holding odd shaped
pieces or where zero tolerance is required. These
four-jaw chucks have semi-steel bodies and hard-
ened reversible jaws.
Figure 34. Model G9864 4-Jaw Chuck.