DoAL~s Decimal Pitch Super Silencer cuts faster, quieter and longer than any blade you can buy for interrupted cuts. The Decimal Pitch Super Silencer gives you all of these advantages- • Quiet operation • Reduced vibration for greater accuracy and longer blade life • Less tooth chippage • Improved finishes on cut surfaces • Best performance in general purpose sawing of struc- tural shapes and solids • Easy to justify pricing when evaluated by productivity and life improvement J
Decimal Pitch is DoALL's latest advance in sawing tech- nology. Each tooth within a given section has a different effective pitch and gullet depth. The ratio between the finest and coarsest pitch in a section is harmonically derived to tune out or cancel blade damaging, noise pro- ducing vibrations. These blades are identified by two num- bers. The 5.5-9 blade for example, has 9 pitches in each section, ranging from 5.5 teeth to 9 teeth and back to 5.5 teeth per inch. This design lets you select the best blade for a workpiece based on the size and shape of the mate- rial. This blade is also an excellent choice for cutting solids as well as structurals.
The fast, silent saw blade for structurals, pipe, nested tubing and angles. Imperial Bi-Metal Super Silencer Saw Blade Wide Width-150-Foot (46 m) Coils In Containers Width Gage Decimal Tooth Nominal Set Type Catalog In. mm In. mm Pitch Form In. mm Set No. 3/4 19 .035 0.89 4.5-7 Precision .058 1.47 SR 302-158 3/4 19 .035 0.89 5.5-9 Precision .058 1.47 SR 302-182 3/4 19 .035 0.89 7-11 Precision .058 1.47 SR 302-273 3/4 19 .035 0.89 8-13 Precision .058 1.47 SR 302-299 3/4 19 .035 0.89 9-14 Precision .058 1.47 SR 302-216 1 25.4 .035 0.89 2.7-4 Precision .058 1.47 SR 302-836 1 25 4 .035 0.89 3.5-5 Precision .058 1.47 SR 302-828 1 25.4 .035 0.89 4.5-7 Precision .058 1.47 SR 302-422 1 25.4 .035 0.89 5.5-9 Precision .058 1.47 SR 302-448 1 25.4 .035 0.89 7-11 Precision .058 1.47 SR 302-455 1 25.4 .035 . 0.89 8-13 Precision .058 1.47 SR 302-505 1 25.4 .035 0.89 9-14 Precision .058 1.47 SR 302-927 1-1/4 32 .042 1.07 2-3.1 Preci si on .065 1.65 SR 302-851 1-1/ 4 32 .042 1.07 2.7-4 Precision .065 1.65 SR 302-885 1-1/4 32 .042 1.07 3.5-5 Precision .065 1.65 SR 302-893 1-1/4 32 .042 1.07 4.5-7 Precision .065 1.65 SR 302-513 1-1/4 32 .042 1.07 5.5-9 Precision .065 1.65 SR 302·539 1-1/4 32 .042 1.07 7-11 Precision .065 1.65 SR 302-562 1-1/ 4 32 .042 1.07 8-13 Precision .065 1.65 SR 302-604 --- -- 1-1/2 38 .050 1.27 2-3.1 Precision .080 2.03 SR 302-752 1-1/2 38 .050 1.27 2.7·4 Precision .080 2.03 SR 302-778 1-1/2 38 .050 1.27 4.5-7 Precision .080 2.03 SR 302-687 1-1/2 38 .050 1.27 5.5-9 Precision .080 2.03 SR 302-729 2 51 .050 1.27 2.7-4 Precision .080 2.03 SR 302-802 2 51 .050 1.27 4.5-7 Precision .080 2.03 SR 302-901 SR = Straight Set Teeth with a periodic Raker Tooth Imperial Bi-Metal Super Silencer Saw Blade with Wide Set Wide Width-150-Foot (46 m) Coils in Containers Width Gage Decimal Tooth Nominal Set Type Catalog In. mm In. mm Pitch Form In. mm Set No. 1 25.4 .035 0.89 4.5-7 Precision .075 1.90 SR 302-471 1 25.4 .035 0.89 5.5-9 Precision .075 1.90 SR 302-489 1-1/4 32 .042 1.07 4.5-7 Precision .085 2.16 SR 302-570 1-1/4 32 .042 1.07 5.5-9 Precision .085 2.16 SR 302-596 1-1/2 38 .050 1.27 2.7-4 Precision .100 2.54 SR 302-638 1-1/2 38 .050 1.27 4.5-7 Precision .100 2.54 SR 302-679 2 51 .050 1.27 4.5-7 Precision .100 2.54 SR 302-844 SR= Straight Set Teeth with a periodic Raker Tooth 13
The design means much quieter, smoother cutting, without the high-pitched squeal and vibration that's asso- ciated with the cutting of structurals and other materials with varying cross sections. The Decimal Pitch Super Silencer can reduce the noise level on tough sawing jobs to well within the acceptable OSHA range, without sacrificing cutting rates or blade life. Tests indicate that on structural and thin-wall applica- tions, a substantial increase in performance can be expected. The Decimal Pitch Super Silencer Guarantee If the DoALL Decimal Pitch Super Silencer blade we recommend for your job doesn't outperform all other Blades, we'll take it back, and refund your money. Imperial Bi-Metal Super Silencer Saw Blade Narrow Width- 100-Foot (30.5 m) Coils In Containers Width Gage Decimal Tooth Nominal Set Type Catalog In. mm In. mm Pitch Form In. mm Set No. 1/4 6.35 .025 0.64 8-13 Precision 0.44 1.12 SR 302-018 3/8 9.5 .035 0.89 5.5-9 Precision 0.58 1.47 SR 302-034 1/2 12.7 .035 0.89 5.5-9 Precision 0.58 1.47 SR 302-067 1/2 12.7 .025 0.64 7-11 Precision 0.44 1.12 SR 302-091 1/2 12.7 .025 0.64 8-13 Precision 0.44 1.12 SR 302-125 SR = Straight Set Teeth with a periodic Raker Tooth
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