TWIST DRILL PRODUCTION RATES

 

FLUTE GRINDER PRODUCTION RATES

Normac F250, F300
(PIECES / HR)

 #60 (1mm).....................................200 - 300                   
1/16" (1.5 mm)..............................220 - 330
3/32" (2.5 mm)..............................260 - 360
7/64" (3 mm).................................280 - 400
1/8" (3.5 mm)................................280 - 400
5/32" (4 mm).................................260 - 350
3/16 (5 mm)...................................240 - 300
7/32" (5.5 mm)..............................220 - 280
1/4" (6.5 mm)................................200 - 250
 

Normac F500, F510, F600, F50L
(PIECES / HR)

1/8" (3 mm)...................................280 - 400
5/32" (4 mm).................................260 - 350
3/16" (5 mm).................................240 - 300
7/32" (5.5 mm)..............................220 - 280
1/4" (6 mm)...................................200 - 250
9/32" (7 mm).................................180 - 230
5/16 (8 mm)...................................160 - 220
11/32" (9 mm)...............................150 - 210
3/8" (9.5 mm)................................140 - 200
7/16" (11 mm)...............................120 - 190
1/2" (13 mm).................................100 - 150

 

CLEARANCE GRINDER PRODUCTION RATES

Normac C250
(PIECES / HR)

040" to 1/16" (1 mm - 1.5 mm).......300 - 450
5/64" to 1/8" (2 mm - 3 mm)............400 - 550
5/32" to 3/16" (4 mm - 5 mm)..........420 - 550
7/32" to 1/4" (5.5 mm - 6 mm).........400 - 520
9/32" to 3/8" (6.5 mm - 10 mm).......400 - 500
13/32" to 1/2" (10.5 mm - 13 mm)...280 - 350

Rates shown are for jobbers length drills. 
High spiral and taper length run slightly slower.

 

Normac C350
(PIECES / HR)

.040" to 1/16" (1 mm - 1.5 mm).......300 - 450
5/64" to 1/8" (2 mm - 3 mm)............400 - 550
5/32" to 3/16" (4 mm - 5 mm)..........420 - 550
7/32" to 1/4" (5.5 mm - 6 mm).........400 - 520
.257" to 3/8" (6.5 mm - 9.5 mm)......310 - 430
.377" to 1/2" (9.6 mm - 12.7 mm)....210 - 330

Rates shown are for jobbers length drills.
High spiral and taper length run slightly slower.

 

Normac C500
(PIECES / HR)

1/8" Dia. (3 mm)...........................1300 -1600
5/32" Dia. (4 mm).........................1300 -1600
3/16" Dia. (5 mm).........................1300 -1600
1/4" Dia. (6 mm)...........................1200 -1500
5/16" Dia. (7 mm)...........................900 -1200
3/8" Dia. (9.5 mm)..........................750 -1050
7/16" Dia. (11 mm)...........................600 -850
1/2" Dia. (13 mm).............................500 -750

Rates shown are for jobbers length drills.
High spiral and taper length run slightly slower.

 

POINT GRINDER PRODUCTION RATES

Normac P500
(PIECES / HR

#60 (1 mm).......................................350 - 400
1/16" to 1/32" (1.6 - 2.4 mm)...........400 - 600
7/64" to 9/32" (2.8 - 7.2 mm)...........450 - 700
5/16" to 3/8" (7.9 - 9.5 mm).............400 - 600
13/32" to 1/2" (10.3 - 12.7 mm).......220 - 360

 

Normac SP21 / SP22
(PIECES / HR)

1/16" to 1/8" (1.5 - 3 mm).........................450
3/16" to 1/4" (5 - 6 mm)............................400
5/16" to 3/8" (8 - 9 mm)............................350
7/16" to 1/2" (11 - 13 mm)........................300

 

Normac SP77 / SP7S
(PIECES / HR)

5/16" to 3/8" (8 - 9 mm)............................350
7/16" to 1/2" (11 - 13 mm)........................300

Rates shown are for standard jobber length drills.

 

Normac CP25, CP50

Passes per minute........................300 to 400
Ends per hour.....................18,000 to 24,000
Completed tools per hour.....9,000 to 12,000

 

CENTERDRILL PRODUCTION RATES

Normac F260, F310
(ENDS / HR)

#00, 0, 1 (3 mm body).................300 - 400
#2 (5 mm body)...........................250 - 300
#3 (6 mm body)...........................200 - 250
#4 (8 mm body)...........................200 - 250
#5 (11 mm body).........................150 - 200
#6 (13 mm body).........................125 - 200

 

Normac P600
(ENDS / HR)

#00, 0, 1 (3 mm body).................500 - 600
#2 (5 mm body)...........................650 - 700
#3 (6 mm body)...........................600 - 700
#4 (8 mm body)...........................400 - 600
#5 (11 mm body).........................250 - 350
#6 (13 mm body).........................200 - 300


 

Normac SD60
(ENDS / HR)

#00, 0, 1 (3 mm body).................125 - 140
#2 (5 mm body)...........................125 - 140
#3 (6 mm body)...........................100 - 125
#4 (8 mm body)...........................100 - 125
#5 (11 mm body)...........................90 - 100
#6 (13 mm body).............................80 - 90

 

SOLID CARBIDE GRINDERS PRODUCTION RATES

 

Normac F440
(PIECES / HR)

3/16" (5 mm).............................................40
15/64" (6 mm)...........................................36
5/16" (8 mm).............................................30
25/64" (10 mm).........................................26
15/32" (12 mm).........................................23

 

Normac F450
(PIECES / HR)

3/16" (5 mm).............................................40
15/64" (6 mm)...........................................36
5/16" (8 mm).............................................30
25/64" (10 mm).........................................26
15/32" (12 mm).........................................23

 

Normac C350X
(PIECES / HR)

3/16" (5 mm)...........................................200
5/16" (8 mm)...........................................175
3/8" (10 mm)...........................................120
1/2" (13 mm).............................................85

 

Normac P500X
(PIECES / HR)

3/16" (5 mm)...........................................240
5/16" (8 mm)...........................................220
3/8" (10 mm)...........................................160
1/2" (13 mm).............................................90

 

Hertlein FG-D221-C
(PIECES / HR)

3/16" (5 mm).............................................40
15/64" (6 mm)...........................................36
5/16" (8 mm).............................................30
25/64" (10 mm).........................................26
15/32" (12 mm).........................................23

 

Hertlein FG-D400-C
(PIECES / HR)

3/16" (5 mm).............................................40
15/64" (6 mm)...........................................36
5/16" (8 mm).............................................30
25/64" (10 mm).........................................26
15/32" (12 mm).........................................23

 

Hertlein FG-D520-C
(PIECES / HR)

3/16" (5 mm).............................................40
15/64" (6 mm)...........................................36
5/16" (8 mm).............................................30
25/64" (10 mm).........................................26
15/32" (12 mm).........................................23

 

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