Marine electronics

SEM

From product formulation to packaging to training, SEM builds powerful products and SOPs that reduce waste in every application, supporting long-term environmental health. SEM is an American manufacturing team that engineers best-in-class products to reduce repair times, steps and waste for the automotive, aerospace, marine and industrial markets.From intelligent product design to technical support, the "built better" promise is engrained in SEM's DNA.

108 products
SEM 3" 50 Grit Quicklock Grinding Disc - Box of 25
SEM
SEM 3" 50 Grit Quicklock Grinding Disc - Box of 25
SKU: 108667 · UPC: 646786958991 · MPN: SA35050
$35.49
$65.44Save $29.95
Out of stock
SEM 3" 36 Grit Quicklock Grinding Disc - Box of 25
SEM
SEM 3" 36 Grit Quicklock Grinding Disc - Box of 25
SKU: 108666 · UPC: 646786958984 · MPN: SA35036
$37.49
$69.01Save $31.52
In stock
SEM 2.75" x 40 Yards - 400 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 40 Yards - 400 Grit Ceramic Sandpaper - 1 Roll
SKU: 108661 · UPC: 646786958540 · MPN: SA22400
$27.49
$47.86Save $20.37
In stock
SEM 2.75" x 40 Yards - 240 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 40 Yards - 240 Grit Ceramic Sandpaper - 1 Roll
SKU: 108659 · UPC: 646786958458 · MPN: SA22240
$27.49
$47.86Save $20.37
Out of stock
SEM 2.75" x 40 Yards - 220 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 40 Yards - 220 Grit Ceramic Sandpaper - 1 Roll
SKU: 108658 · UPC: 646786958236 · MPN: SA22220
$33.49
$47.86Save $14.37
In stock
SEM 2.75" x 40 Yards - 180 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 40 Yards - 180 Grit Ceramic Sandpaper - 1 Roll
SKU: 108657 · UPC: 646786958298 · MPN: SA22180
$27.49
$47.86Save $20.37
Out of stock
SEM 2.75" x 40 Yards - 120 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 40 Yards - 120 Grit Ceramic Sandpaper - 1 Roll
SKU: 108656 · UPC: 646786958274 · MPN: SA22120
$33.49
$47.86Save $14.37
Low stock
SEM 2.75" x 20 Yards - 80 Grit Ceramic Sandpaper - 1 Roll
SEM
SEM 2.75" x 20 Yards - 80 Grit Ceramic Sandpaper - 1 Roll
SKU: 108655 · UPC: 646786958366 · MPN: SA22080
$39.99
$57.39Save $17.40
Low stock
SEM AVS 150mm 6" Sanding Disc 800 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 800 Grit - Box of 50
SKU: 108652 · UPC: 646786960482 · MPN: SA26800
$23.49
$41.36Save $17.87
Low stock
SEM AVS 150mm 6" Sanding Disc 600 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 600 Grit - Box of 50
SKU: 108651 · UPC: 646786960475 · MPN: SA26600
$23.49
$41.36Save $17.87
In stock
SEM AVS 150mm 6" Sanding Disc 500 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 500 Grit - Box of 50
SKU: 108650 · UPC: 646786960468 · MPN: SA26500
$24.49
$41.36Save $16.87
Out of stock
SEM AVS 150mm 6" Sanding Disc 400 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 400 Grit - Box of 50
SKU: 108649 · UPC: 646786960451 · MPN: SA26400
$23.49
$41.36Save $17.87
In stock
SEM AVS 150mm 6" Sanding Disc 320 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 320 Grit - Box of 50
SKU: 108648 · UPC: 646786960444 · MPN: SA26320
$28.99
$41.36Save $12.37
Out of stock
SEM AVS 150mm 6" Sanding Disc 240 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 240 Grit - Box of 50
SKU: 108647 · UPC: 646786960437 · MPN: SA26240
$23.49
$41.36Save $17.87
Out of stock
SEM AVS 150mm 6" Sanding Disc 220 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 220 Grit - Box of 50
SKU: 108646 · UPC: 646786960420 · MPN: SA26220
$24.49
$41.36Save $16.87
Low stock
SEM AVS 150mm 6" Sanding Disc 180 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 180 Grit - Box of 50
SKU: 108645 · UPC: 646786960413 · MPN: SA26180
$24.49
$41.36Save $16.87
Out of stock
SEM AVS 150mm 6" Sanding Disc 120 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 120 Grit - Box of 50
SKU: 108644 · UPC: 646786960406 · MPN: SA26120
$24.49
$41.36Save $16.87
Out of stock
SEM AVS 150mm 6" Sanding Disc 80 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 80 Grit - Box of 50
SKU: 108643 · UPC: 646786960390 · MPN: SA26080
$27.49
$48.71Save $21.22
Low stock
SEM AVS 150mm 6" Sanding Disc 40 Grit - Box of 50
SEM
SEM AVS 150mm 6" Sanding Disc 40 Grit - Box of 50
SKU: 108642 · UPC: 646786960383 · MPN: SA26040
$35.49
$61.24Save $25.75
Low stock
SEM 150mm 6" Sanding Disc 800 Grit - Box of 50
SEM
SEM 150mm 6" Sanding Disc 800 Grit - Box of 50
SKU: 108637 · UPC: 646786960598 · MPN: SA260800
$23.49
$40.34Save $16.85
In stock
SEM 150mm 6" Sanding Disc 600 Grit - Box of 50
SEM
SEM 150mm 6" Sanding Disc 600 Grit - Box of 50
SKU: 108636 · UPC: 646786960581 · MPN: SA260600
$23.49
$40.34Save $16.85
In stock
SEM 150mm 6" Sanding Disc 500 Grit - Box of 50
SEM
SEM 150mm 6" Sanding Disc 500 Grit - Box of 50
SKU: 108635 · UPC: 646786960574 · MPN: SA260500
$23.49
$40.34Save $16.85
Out of stock
SEM 150mm 6" Sanding Disc 340 Grit - Box of 50
SEM
SEM 150mm 6" Sanding Disc 340 Grit - Box of 50
SKU: 108634 · UPC: 646786960567 · MPN: SA260400
$23.49
$40.34Save $16.85
In stock
SEM 150mm 6" Sanding Disc 320 Grit - Box of 50
SEM
SEM 150mm 6" Sanding Disc 320 Grit - Box of 50
SKU: 108633 · UPC: 646786960550 · MPN: SA260320
$23.49
$41.36Save $17.87
In stock
From product formulation to packaging to training, SEM builds powerful products and SOPs that reduce waste in every application, supporting long-term environmental health. SEM is an American manufacturing team that engineers best-in-class products to reduce repair times, steps and waste for the automotive, aerospace, marine and industrial markets.From intelligent product design to technical support, the "built better" promise is engrained in SEM's DNA.