Drill Bits: Pivot, Pearl & Bur

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Flat Pivot Drills
Carbon steel. Right hand with rake angle of zero degrees.  Shank diameter for sizes .004" to .026" is 1 mm. For sizes .028" to .5.0" shank is 1.5 mm. Sold by the dozen, loose pack    Approximate cutting bit (flute) length is ¾".

Drill Size Stock# Price

 

 Drill Size Stock# Price

 

 Drill Size Stock# Price   Drill Size Stock# Price
.004" 28.364 Buy $42.50 .016" 28.376 Buy $38.40 .028" 28.388 Buy $38.40 .040" 28.400 Buy $38.40
.006" 28.366 Buy $42.50 .018" 28.378 Buy $38.40 .030" 28.390 Buy $38.40 .042" 28.402 Buy $38.40
.008" 28.368 Buy $39.70 .020" 28.380 Buy $38.40 .032" 28.392 Buy $38.40 .044" 28.404 Buy $38.40
.010" 28.370 Buy $39.70 .022" 28.382 Buy $38.40 .034" 28.394 Buy $38.40 .046" 28.406 Buy $38.40
.012" 28.372 Buy $38.40 .024" 28.384 Buy $38.40 .036" 28.396 Buy $38.40 .048" 28.408 Buy $38.40
.014" 28.374 Buy $38.40 .026" 28.386 Buy $38.40 .038" 28.398 Buy $38.40 .050" 28.410 Buy $38.40

 

Flat Pivot Drill Sets
Mounted in wood block
Description Stock# Price   Description Stock# Price   Description Stock# Price
004-.010 (3 ea.) 28.350 Buy $47.70 004-.026 (1 ea.) 28.351 Buy $50.40 028-.050 (1 ea.) 28.352 Buy $43.80

 

High Speed Steel Spiral Pivot Drills
Right hand, fast helix type with positive rake angle. Flute length is seven times the diameter of flute diameter. Shank diameter is 1 mm. Sold loose by the dozen.
Diameter Stock# Price
.008" 28.448 Buy $80.05

 

Pearl Drills
For drilling holes in pearls, sold individually
Size in MM Stock# Price   Size in MM Stock# Price   Size in MM Stock# Price
1.05 53.121 Buy $6.90 1.65 53.125 Buy $6.90 2.26 53.128 Buy $5.95
1.20 53.122 Buy $6.90 1.85 53.126 Buy $6.90 2.40 53.129 Buy $6.90
1.45 53.124 Buy $6.90 2.05 53.127 Buy $6.90 3.00 53.132 Buy $6.90
Set
all above sizes in wood stand with cover.     53.120 Buy     Price $95.92
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Twist Drill Burs
Sold in packs of half dozen. only.  Priced by the piece.
Size ISO (MM) (In) Busch Price Grobet Price   Size ISO (MM) (In) Busch Price Grobet Price
5/0 005 0.50 0.0197" 28.584 Buy $2.39 77.2605 Buy $1.52 4 015 1.50 0.0591" 28.592 Buy $2.39 77.2615 Buy $1.52
4/0 006 0.60 0.0236" 28.585 Buy $2.39 77.2606 Buy $1.52 5 016 1.60 0.0630" 28.593 Buy $2.39 77.2616 Buy $1.52
3/0 007 0.70 0.0276" 28.586 Buy $2.39 77.2607 Buy $1.52 5½ 017 1.70 0.0689"     77.2617 Buy $1.52
2/0 008 0.80 0.0315" 28.587 Buy $2.39 77.2608 Buy $1.52 6 018 1.80 0.0709" 28.594 Buy $2.39 77.2618 Buy $1.52
0 009 0.90 0.0354" 28.588 Buy $2.39 77.2609 Buy $1.52 6¼ 019 1.90 0.0748"     77.2620 Buy $1.52
1 010 1.00 0.0393" 28.589 Buy $2.39 77.2610 Buy $1.52 6½ 020 1.95 0.0776"    
1½ 011 1.10 0.0441"     77.2611 Buy $1.52 7 021 2.10 0.0827" 28.595 Buy $2.39 77.2621 Buy $1.52
2 012 1.20 0.0472" 28.590 Buy $2.39 77.2612 Buy $1.52 7½ 022 2.20 0.0866'     77.2622 Buy $1.52
2½ 013 1.30 0.0500"     77.2613 Buy $1.52 8 023 2.30 0.0906" 28.596 Buy $2.39 77.2623 Buy $1.52
3 014 1.40 0.0551" 28.591 Buy $2.39 77.2614 Buy $1.52