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CUTTING CHAIN TERMINOLOGY Bumper Drive Link Chain Bumper drive link Tie strap
Left-hand cutter with standard depth gauge
Standard Chain Preset tie strap Tie strap Tie strap
Left-hand cutter with ramped depth gauge
3
Right-hand cutter with standard depth gauge
Drive link
Chain Cutter Sequence Terminology Standard
Right-hand cutter with ramped depth gauge
Parts of a Cutter and Rivets
Drive link
Semi-skip
Skip
WHY CHOOSE “SEMI-SKIP” OR “SKIP” SEQUENCE CHAIN?
Consumer users of chain saws will probably never need to use a semi-skip or skip sequence chain. However, professional or commercial chain saw operators who use their saws frequently and who use longer bars may prefer a semi-skip or skip chain for these reasons:
Fewer cutters to sharpen, makes sharpening faster and easier.
Greater clearance for better chip flow – the larger the wood being cut and the longer the bar used, the more important good chip flow becomes.
KICKBACK REDUCING FEATURES – ICON KEY
Bumper Drive Link
Bumper Tie Strap
High Top Plate Tail Location
Ramped Depth Gauge
Wide-Track Depth Gauge
The type of wood being cut and other factors will affect the choice of the chain type and chain sequence, but with the full-size 3/8"-pitch and .404"-pitch chains preferred by professional and commercial operators who use longer bars, the following general guidelines will be useful.
Bar Length considerations for semi-skip & skip chain: CHAIN SEQUENCE
Standard
Semi-Skip (Square Ground only) Skip
RECOMMENDED BAR LENGTHS Up to 24" (60 cm)
24" to 32" (60 – 80 cm) 32" and longer (80 cm+)
Descriptions in red italics indicate saw chain types which are scheduled to be discontinued Saw Chain